Home / 86,039,467.20-129,059,200.80-34,945,963.20

Finding the Fourth Proportional to 86,039,467.20, 129,059,200.80 and 34,945,963.20

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Solution

The fourth proportional to 86,039,467.20, 129,059,200.80 and 34,945,963.20 is: 52,418,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,039,467.20 : 129,059,200.80 = 34,945,963.20 : x
  2. Step 2: Convert to fraction form
    86,039,467.20/129,059,200.80 = 34,945,963.20/x
  3. Step 3: Cross multiply
    86,039,467.20x = 129,059,200.80 × 34,945,963.20
  4. Step 4: Simplify right side
    86,039,467.20x = 4,510,098,081,778,211
  5. Step 5: Solve for x
    x = 4,510,098,081,778,211/86,039,467.20
  6. Step 6: Final answer
    x = 52,418,944.80

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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.