Home / 79,726,454.80-119,589,682.20-69,648,758.80

Finding the Fourth Proportional to 79,726,454.80, 119,589,682.20 and 69,648,758.80

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Solution

The fourth proportional to 79,726,454.80, 119,589,682.20 and 69,648,758.80 is: 104,473,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,726,454.80 : 119,589,682.20 = 69,648,758.80 : x
  2. Step 2: Convert to fraction form
    79,726,454.80/119,589,682.20 = 69,648,758.80/x
  3. Step 3: Cross multiply
    79,726,454.80x = 119,589,682.20 × 69,648,758.80
  4. Step 4: Simplify right side
    79,726,454.80x = 8,329,272,930,516,453
  5. Step 5: Solve for x
    x = 8,329,272,930,516,453/79,726,454.80
  6. Step 6: Final answer
    x = 104,473,138.20

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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.