Home / 113,765,911.20-156,995,839.74-61,553,801.22

Finding the Fourth Proportional to 113,765,911.20, 156,995,839.74 and 61,553,801.22

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Solution

The fourth proportional to 113,765,911.20, 156,995,839.74 and 61,553,801.22 is: 84,943,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,765,911.20 : 156,995,839.74 = 61,553,801.22 : x
  2. Step 2: Convert to fraction form
    113,765,911.20/156,995,839.74 = 61,553,801.22/x
  3. Step 3: Cross multiply
    113,765,911.20x = 156,995,839.74 × 61,553,801.22
  4. Step 4: Simplify right side
    113,765,911.20x = 9,663,690,711,722,936
  5. Step 5: Solve for x
    x = 9,663,690,711,722,936/113,765,911.20
  6. Step 6: Final answer
    x = 84,943,640.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.