Home / 137,397,331.58-206,198,167.17-55,516,921.82

Finding the Fourth Proportional to 137,397,331.58, 206,198,167.17 and 55,516,921.82

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Solution

The fourth proportional to 137,397,331.58, 206,198,167.17 and 55,516,921.82 is: 83,316,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,397,331.58 : 206,198,167.17 = 55,516,921.82 : x
  2. Step 2: Convert to fraction form
    137,397,331.58/206,198,167.17 = 55,516,921.82/x
  3. Step 3: Cross multiply
    137,397,331.58x = 206,198,167.17 × 55,516,921.82
  4. Step 4: Simplify right side
    137,397,331.58x = 11,447,487,525,173,188
  5. Step 5: Solve for x
    x = 11,447,487,525,173,188/137,397,331.58
  6. Step 6: Final answer
    x = 83,316,665.57

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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.