Home / 87,472,213.20-131,208,319.80-70,466,101.20

Finding the Fourth Proportional to 87,472,213.20, 131,208,319.80 and 70,466,101.20

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Solution

The fourth proportional to 87,472,213.20, 131,208,319.80 and 70,466,101.20 is: 105,699,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,472,213.20 : 131,208,319.80 = 70,466,101.20 : x
  2. Step 2: Convert to fraction form
    87,472,213.20/131,208,319.80 = 70,466,101.20/x
  3. Step 3: Cross multiply
    87,472,213.20x = 131,208,319.80 × 70,466,101.20
  4. Step 4: Simplify right side
    87,472,213.20x = 9,245,738,741,308,764
  5. Step 5: Solve for x
    x = 9,245,738,741,308,764/87,472,213.20
  6. Step 6: Final answer
    x = 105,699,151.80

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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.