Home / 90,407,542.50-124,766,672.76-51,250,080.24

Finding the Fourth Proportional to 90,407,542.50, 124,766,672.76 and 51,250,080.24

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Solution

The fourth proportional to 90,407,542.50, 124,766,672.76 and 51,250,080.24 is: 70,727,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,407,542.50 : 124,766,672.76 = 51,250,080.24 : x
  2. Step 2: Convert to fraction form
    90,407,542.50/124,766,672.76 = 51,250,080.24/x
  3. Step 3: Cross multiply
    90,407,542.50x = 124,766,672.76 × 51,250,080.24
  4. Step 4: Simplify right side
    90,407,542.50x = 6,394,301,990,227,823
  5. Step 5: Solve for x
    x = 6,394,301,990,227,823/90,407,542.50
  6. Step 6: Final answer
    x = 70,727,527.96

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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.