Home / 129,807,849.24-179,127,735.12-71,059,149.18

Finding the Fourth Proportional to 129,807,849.24, 179,127,735.12 and 71,059,149.18

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Solution

The fourth proportional to 129,807,849.24, 179,127,735.12 and 71,059,149.18 is: 98,057,740.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,807,849.24 : 179,127,735.12 = 71,059,149.18 : x
  2. Step 2: Convert to fraction form
    129,807,849.24/179,127,735.12 = 71,059,149.18/x
  3. Step 3: Cross multiply
    129,807,849.24x = 179,127,735.12 × 71,059,149.18
  4. Step 4: Simplify right side
    129,807,849.24x = 12,728,664,452,167,606
  5. Step 5: Solve for x
    x = 12,728,664,452,167,606/129,807,849.24
  6. Step 6: Final answer
    x = 98,057,740.94

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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.