Home / 74,732,491.40-112,098,737.10-42,483,864.20

Finding the Fourth Proportional to 74,732,491.40, 112,098,737.10 and 42,483,864.20

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Solution

The fourth proportional to 74,732,491.40, 112,098,737.10 and 42,483,864.20 is: 63,725,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,732,491.40 : 112,098,737.10 = 42,483,864.20 : x
  2. Step 2: Convert to fraction form
    74,732,491.40/112,098,737.10 = 42,483,864.20/x
  3. Step 3: Cross multiply
    74,732,491.40x = 112,098,737.10 × 42,483,864.20
  4. Step 4: Simplify right side
    74,732,491.40x = 4,762,387,523,947,902
  5. Step 5: Solve for x
    x = 4,762,387,523,947,902/74,732,491.40
  6. Step 6: Final answer
    x = 63,725,796.30

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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.