Home / 87,472,213.70-131,208,320.55-70,466,101.70

Finding the Fourth Proportional to 87,472,213.70, 131,208,320.55 and 70,466,101.70

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Solution

The fourth proportional to 87,472,213.70, 131,208,320.55 and 70,466,101.70 is: 105,699,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,472,213.70 : 131,208,320.55 = 70,466,101.70 : x
  2. Step 2: Convert to fraction form
    87,472,213.70/131,208,320.55 = 70,466,101.70/x
  3. Step 3: Cross multiply
    87,472,213.70x = 131,208,320.55 × 70,466,101.70
  4. Step 4: Simplify right side
    87,472,213.70x = 9,245,738,859,762,500
  5. Step 5: Solve for x
    x = 9,245,738,859,762,500/87,472,213.70
  6. Step 6: Final answer
    x = 105,699,152.55

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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.