Home / 65,253,379.17-90,024,176.89-37,361,182.72

Finding the Fourth Proportional to 65,253,379.17, 90,024,176.89 and 37,361,182.72

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Solution

The fourth proportional to 65,253,379.17, 90,024,176.89 and 37,361,182.72 is: 51,543,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,253,379.17 : 90,024,176.89 = 37,361,182.72 : x
  2. Step 2: Convert to fraction form
    65,253,379.17/90,024,176.89 = 37,361,182.72/x
  3. Step 3: Cross multiply
    65,253,379.17x = 90,024,176.89 × 37,361,182.72
  4. Step 4: Simplify right side
    65,253,379.17x = 3,363,409,721,995,327.50
  5. Step 5: Solve for x
    x = 3,363,409,721,995,327.50/65,253,379.17
  6. Step 6: Final answer
    x = 51,543,839.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.