Home / 124,692,921.60-172,071,147.96-68,934,793.20

Finding the Fourth Proportional to 124,692,921.60, 172,071,147.96 and 68,934,793.20

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Solution

The fourth proportional to 124,692,921.60, 172,071,147.96 and 68,934,793.20 is: 95,127,204.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,692,921.60 : 172,071,147.96 = 68,934,793.20 : x
  2. Step 2: Convert to fraction form
    124,692,921.60/172,071,147.96 = 68,934,793.20/x
  3. Step 3: Cross multiply
    124,692,921.60x = 172,071,147.96 × 68,934,793.20
  4. Step 4: Simplify right side
    124,692,921.60x = 11,861,689,000,309,202
  5. Step 5: Solve for x
    x = 11,861,689,000,309,202/124,692,921.60
  6. Step 6: Final answer
    x = 95,127,204.08

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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.