Home / 79,245,211.20-118,867,816.80-38,324,254.20

Finding the Fourth Proportional to 79,245,211.20, 118,867,816.80 and 38,324,254.20

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Solution

The fourth proportional to 79,245,211.20, 118,867,816.80 and 38,324,254.20 is: 57,486,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,245,211.20 : 118,867,816.80 = 38,324,254.20 : x
  2. Step 2: Convert to fraction form
    79,245,211.20/118,867,816.80 = 38,324,254.20/x
  3. Step 3: Cross multiply
    79,245,211.20x = 118,867,816.80 × 38,324,254.20
  4. Step 4: Simplify right side
    79,245,211.20x = 4,555,520,427,242,231
  5. Step 5: Solve for x
    x = 4,555,520,427,242,231/79,245,211.20
  6. Step 6: Final answer
    x = 57,486,381.30

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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.