Home / 137,397,330.07-206,198,164.92-55,516,920.31

Finding the Fourth Proportional to 137,397,330.07, 206,198,164.92 and 55,516,920.31

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Solution

The fourth proportional to 137,397,330.07, 206,198,164.92 and 55,516,920.31 is: 83,316,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,397,330.07 : 206,198,164.92 = 55,516,920.31 : x
  2. Step 2: Convert to fraction form
    137,397,330.07/206,198,164.92 = 55,516,920.31/x
  3. Step 3: Cross multiply
    137,397,330.07x = 206,198,164.92 × 55,516,920.31
  4. Step 4: Simplify right side
    137,397,330.07x = 11,447,487,090,397,814
  5. Step 5: Solve for x
    x = 11,447,487,090,397,814/137,397,330.07
  6. Step 6: Final answer
    x = 83,316,663.32

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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.