Home / 83,051,635.20-124,555,334.40-25,543,795.20

Finding the Fourth Proportional to 83,051,635.20, 124,555,334.40 and 25,543,795.20

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Solution

The fourth proportional to 83,051,635.20, 124,555,334.40 and 25,543,795.20 is: 38,308,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,051,635.20 : 124,555,334.40 = 25,543,795.20 : x
  2. Step 2: Convert to fraction form
    83,051,635.20/124,555,334.40 = 25,543,795.20/x
  3. Step 3: Cross multiply
    83,051,635.20x = 124,555,334.40 × 25,543,795.20
  4. Step 4: Simplify right side
    83,051,635.20x = 3,181,615,952,981,115
  5. Step 5: Solve for x
    x = 3,181,615,952,981,115/83,051,635.20
  6. Step 6: Final answer
    x = 38,308,889.95

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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.