Home / 79,245,205.20-118,867,807.80-38,324,248.20

Finding the Fourth Proportional to 79,245,205.20, 118,867,807.80 and 38,324,248.20

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Solution

The fourth proportional to 79,245,205.20, 118,867,807.80 and 38,324,248.20 is: 57,486,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,245,205.20 : 118,867,807.80 = 38,324,248.20 : x
  2. Step 2: Convert to fraction form
    79,245,205.20/118,867,807.80 = 38,324,248.20/x
  3. Step 3: Cross multiply
    79,245,205.20x = 118,867,807.80 × 38,324,248.20
  4. Step 4: Simplify right side
    79,245,205.20x = 4,555,519,369,117,096
  5. Step 5: Solve for x
    x = 4,555,519,369,117,096/79,245,205.20
  6. Step 6: Final answer
    x = 57,486,372.30

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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.