Home / 130,385,020.22-179,932,760.08-71,647,700.52

Finding the Fourth Proportional to 130,385,020.22, 179,932,760.08 and 71,647,700.52

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Solution

The fourth proportional to 130,385,020.22, 179,932,760.08 and 71,647,700.52 is: 98,874,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,385,020.22 : 179,932,760.08 = 71,647,700.52 : x
  2. Step 2: Convert to fraction form
    130,385,020.22/179,932,760.08 = 71,647,700.52/x
  3. Step 3: Cross multiply
    130,385,020.22x = 179,932,760.08 × 71,647,700.52
  4. Step 4: Simplify right side
    130,385,020.22x = 12,891,768,507,948,852
  5. Step 5: Solve for x
    x = 12,891,768,507,948,852/130,385,020.22
  6. Step 6: Final answer
    x = 98,874,613.71

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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.