Home / 82,393,311.20-123,589,966.80-46,113,605.60

Finding the Fourth Proportional to 82,393,311.20, 123,589,966.80 and 46,113,605.60

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Solution

The fourth proportional to 82,393,311.20, 123,589,966.80 and 46,113,605.60 is: 69,170,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,393,311.20 : 123,589,966.80 = 46,113,605.60 : x
  2. Step 2: Convert to fraction form
    82,393,311.20/123,589,966.80 = 46,113,605.60/x
  3. Step 3: Cross multiply
    82,393,311.20x = 123,589,966.80 × 46,113,605.60
  4. Step 4: Simplify right side
    82,393,311.20x = 5,699,178,985,132,294
  5. Step 5: Solve for x
    x = 5,699,178,985,132,294/82,393,311.20
  6. Step 6: Final answer
    x = 69,170,408.40

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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.