Home / 136,932,651.59-188,971,629.14-75,053,148.71

Finding the Fourth Proportional to 136,932,651.59, 188,971,629.14 and 75,053,148.71

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Solution

The fourth proportional to 136,932,651.59, 188,971,629.14 and 75,053,148.71 is: 103,575,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,932,651.59 : 188,971,629.14 = 75,053,148.71 : x
  2. Step 2: Convert to fraction form
    136,932,651.59/188,971,629.14 = 75,053,148.71/x
  3. Step 3: Cross multiply
    136,932,651.59x = 188,971,629.14 × 75,053,148.71
  4. Step 4: Simplify right side
    136,932,651.59x = 14,182,915,783,058,164
  5. Step 5: Solve for x
    x = 14,182,915,783,058,164/136,932,651.59
  6. Step 6: Final answer
    x = 103,575,850.02

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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.