Home / 137,945,114.90-206,917,672.35-122,417,998.10

Finding the Fourth Proportional to 137,945,114.90, 206,917,672.35 and 122,417,998.10

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Solution

The fourth proportional to 137,945,114.90, 206,917,672.35 and 122,417,998.10 is: 183,626,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,945,114.90 : 206,917,672.35 = 122,417,998.10 : x
  2. Step 2: Convert to fraction form
    137,945,114.90/206,917,672.35 = 122,417,998.10/x
  3. Step 3: Cross multiply
    137,945,114.90x = 206,917,672.35 × 122,417,998.10
  4. Step 4: Simplify right side
    137,945,114.90x = 25,330,447,220,598,720
  5. Step 5: Solve for x
    x = 25,330,447,220,598,720/137,945,114.90
  6. Step 6: Final answer
    x = 183,626,997.15

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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.