Home / 83,984,003.90-125,957,100.45-30,131,315.90

Finding the Fourth Proportional to 83,984,003.90, 125,957,100.45 and 30,131,315.90

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Solution

The fourth proportional to 83,984,003.90, 125,957,100.45 and 30,131,315.90 is: 45,190,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,984,003.90 : 125,957,100.45 = 30,131,315.90 : x
  2. Step 2: Convert to fraction form
    83,984,003.90/125,957,100.45 = 30,131,315.90/x
  3. Step 3: Cross multiply
    83,984,003.90x = 125,957,100.45 × 30,131,315.90
  4. Step 4: Simplify right side
    83,984,003.90x = 3,795,253,183,506,982
  5. Step 5: Solve for x
    x = 3,795,253,183,506,982/83,984,003.90
  6. Step 6: Final answer
    x = 45,190,191.08

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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.