Home / 83,990,814.30-125,986,221.45-23,406,540.30

Finding the Fourth Proportional to 83,990,814.30, 125,986,221.45 and 23,406,540.30

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Solution

The fourth proportional to 83,990,814.30, 125,986,221.45 and 23,406,540.30 is: 35,109,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,990,814.30 : 125,986,221.45 = 23,406,540.30 : x
  2. Step 2: Convert to fraction form
    83,990,814.30/125,986,221.45 = 23,406,540.30/x
  3. Step 3: Cross multiply
    83,990,814.30x = 125,986,221.45 × 23,406,540.30
  4. Step 4: Simplify right side
    83,990,814.30x = 2,948,901,569,614,149.50
  5. Step 5: Solve for x
    x = 2,948,901,569,614,149.50/83,990,814.30
  6. Step 6: Final answer
    x = 35,109,810.45

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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.