Home / 151,432,470.13-209,149,189.04-101,786,652.27

Finding the Fourth Proportional to 151,432,470.13, 209,149,189.04 and 101,786,652.27

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Solution

The fourth proportional to 151,432,470.13, 209,149,189.04 and 101,786,652.27 is: 140,581,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,432,470.13 : 209,149,189.04 = 101,786,652.27 : x
  2. Step 2: Convert to fraction form
    151,432,470.13/209,149,189.04 = 101,786,652.27/x
  3. Step 3: Cross multiply
    151,432,470.13x = 209,149,189.04 × 101,786,652.27
  4. Step 4: Simplify right side
    151,432,470.13x = 21,288,595,777,366,972
  5. Step 5: Solve for x
    x = 21,288,595,777,366,972/151,432,470.13
  6. Step 6: Final answer
    x = 140,581,447.03

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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.