Home / 79,488,002.10-119,232,003.15-25,640,757.30

Finding the Fourth Proportional to 79,488,002.10, 119,232,003.15 and 25,640,757.30

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Solution

The fourth proportional to 79,488,002.10, 119,232,003.15 and 25,640,757.30 is: 38,461,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,488,002.10 : 119,232,003.15 = 25,640,757.30 : x
  2. Step 2: Convert to fraction form
    79,488,002.10/119,232,003.15 = 25,640,757.30/x
  3. Step 3: Cross multiply
    79,488,002.10x = 119,232,003.15 × 25,640,757.30
  4. Step 4: Simplify right side
    79,488,002.10x = 3,057,198,855,161,985.50
  5. Step 5: Solve for x
    x = 3,057,198,855,161,985.50/79,488,002.10
  6. Step 6: Final answer
    x = 38,461,135.95

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Double scale
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Similar ratio
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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.