Home / 78,732,209.40-118,098,314.10-44,294,832.60

Finding the Fourth Proportional to 78,732,209.40, 118,098,314.10 and 44,294,832.60

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Solution

The fourth proportional to 78,732,209.40, 118,098,314.10 and 44,294,832.60 is: 66,442,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,209.40 : 118,098,314.10 = 44,294,832.60 : x
  2. Step 2: Convert to fraction form
    78,732,209.40/118,098,314.10 = 44,294,832.60/x
  3. Step 3: Cross multiply
    78,732,209.40x = 118,098,314.10 × 44,294,832.60
  4. Step 4: Simplify right side
    78,732,209.40x = 5,231,145,053,401,720
  5. Step 5: Solve for x
    x = 5,231,145,053,401,720/78,732,209.40
  6. Step 6: Final answer
    x = 66,442,248.90

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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.