Home / 87,487,603.20-131,231,404.80-73,457,560.80

Finding the Fourth Proportional to 87,487,603.20, 131,231,404.80 and 73,457,560.80

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Solution

The fourth proportional to 87,487,603.20, 131,231,404.80 and 73,457,560.80 is: 110,186,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,487,603.20 : 131,231,404.80 = 73,457,560.80 : x
  2. Step 2: Convert to fraction form
    87,487,603.20/131,231,404.80 = 73,457,560.80/x
  3. Step 3: Cross multiply
    87,487,603.20x = 131,231,404.80 × 73,457,560.80
  4. Step 4: Simplify right side
    87,487,603.20x = 9,639,938,896,965,412
  5. Step 5: Solve for x
    x = 9,639,938,896,965,412/87,487,603.20
  6. Step 6: Final answer
    x = 110,186,341.20

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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.