Home / 87,984,004.80-131,976,007.20-55,778,680.20

Finding the Fourth Proportional to 87,984,004.80, 131,976,007.20 and 55,778,680.20

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Solution

The fourth proportional to 87,984,004.80, 131,976,007.20 and 55,778,680.20 is: 83,668,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,984,004.80 : 131,976,007.20 = 55,778,680.20 : x
  2. Step 2: Convert to fraction form
    87,984,004.80/131,976,007.20 = 55,778,680.20/x
  3. Step 3: Cross multiply
    87,984,004.80x = 131,976,007.20 × 55,778,680.20
  4. Step 4: Simplify right side
    87,984,004.80x = 7,361,447,499,681,698
  5. Step 5: Solve for x
    x = 7,361,447,499,681,698/87,984,004.80
  6. Step 6: Final answer
    x = 83,668,020.30

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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.