Home / 90,699,482,651.60-136,049,223,977.40-82,985,510,248.40

Finding the Fourth Proportional to 90,699,482,651.60, 136,049,223,977.40 and 82,985,510,248.40

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Solution

The fourth proportional to 90,699,482,651.60, 136,049,223,977.40 and 82,985,510,248.40 is: 124,478,265,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,482,651.60 : 136,049,223,977.40 = 82,985,510,248.40 : x
  2. Step 2: Convert to fraction form
    90,699,482,651.60/136,049,223,977.40 = 82,985,510,248.40/x
  3. Step 3: Cross multiply
    90,699,482,651.60x = 136,049,223,977.40 × 82,985,510,248.40
  4. Step 4: Simplify right side
    90,699,482,651.60x = 11,290,114,270,663,393,935,360
  5. Step 5: Solve for x
    x = 11,290,114,270,663,393,935,360/90,699,482,651.60
  6. Step 6: Final answer
    x = 124,478,265,372.60

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Double scale
Find fourth proportional to 90,699,482,652.60, 136,049,223,978.90 and 82,985,510,249.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.