Home / 90,699,501,809.60-136,049,252,714.40-82,985,529,406.40

Finding the Fourth Proportional to 90,699,501,809.60, 136,049,252,714.40 and 82,985,529,406.40

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Solution

The fourth proportional to 90,699,501,809.60, 136,049,252,714.40 and 82,985,529,406.40 is: 124,478,294,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,501,809.60 : 136,049,252,714.40 = 82,985,529,406.40 : x
  2. Step 2: Convert to fraction form
    90,699,501,809.60/136,049,252,714.40 = 82,985,529,406.40/x
  3. Step 3: Cross multiply
    90,699,501,809.60x = 136,049,252,714.40 × 82,985,529,406.40
  4. Step 4: Simplify right side
    90,699,501,809.60x = 11,290,119,261,849,584,140,288
  5. Step 5: Solve for x
    x = 11,290,119,261,849,584,140,288/90,699,501,809.60
  6. Step 6: Final answer
    x = 124,478,294,109.60

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Double scale
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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.