Home / 86,239,613.30-129,422,405.55-60,730,445.30

Finding the Fourth Proportional to 86,239,613.30, 129,422,405.55 and 60,730,445.30

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Solution

The fourth proportional to 86,239,613.30, 129,422,405.55 and 60,730,445.30 is: 91,140,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,239,613.30 : 129,422,405.55 = 60,730,445.30 : x
  2. Step 2: Convert to fraction form
    86,239,613.30/129,422,405.55 = 60,730,445.30/x
  3. Step 3: Cross multiply
    86,239,613.30x = 129,422,405.55 × 60,730,445.30
  4. Step 4: Simplify right side
    86,239,613.30x = 7,859,880,320,848,691
  5. Step 5: Solve for x
    x = 7,859,880,320,848,691/86,239,613.30
  6. Step 6: Final answer
    x = 91,140,022.78

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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.