Home / 68,044,435.20-101,898,691.20-45,201,657.60

Finding the Fourth Proportional to 68,044,435.20, 101,898,691.20 and 45,201,657.60

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Solution

The fourth proportional to 68,044,435.20, 101,898,691.20 and 45,201,657.60 is: 67,690,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,044,435.20 : 101,898,691.20 = 45,201,657.60 : x
  2. Step 2: Convert to fraction form
    68,044,435.20/101,898,691.20 = 45,201,657.60/x
  3. Step 3: Cross multiply
    68,044,435.20x = 101,898,691.20 × 45,201,657.60
  4. Step 4: Simplify right side
    68,044,435.20x = 4,605,989,749,510,533
  5. Step 5: Solve for x
    x = 4,605,989,749,510,533/68,044,435.20
  6. Step 6: Final answer
    x = 67,690,910.15

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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.