Home / 80,451,139.20-120,677,814.45-22,943,415.30

Finding the Fourth Proportional to 80,451,139.20, 120,677,814.45 and 22,943,415.30

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Solution

The fourth proportional to 80,451,139.20, 120,677,814.45 and 22,943,415.30 is: 34,415,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451,139.20 : 120,677,814.45 = 22,943,415.30 : x
  2. Step 2: Convert to fraction form
    80,451,139.20/120,677,814.45 = 22,943,415.30/x
  3. Step 3: Cross multiply
    80,451,139.20x = 120,677,814.45 × 22,943,415.30
  4. Step 4: Simplify right side
    80,451,139.20x = 2,768,761,214,422,691
  5. Step 5: Solve for x
    x = 2,768,761,214,422,691/80,451,139.20
  6. Step 6: Final answer
    x = 34,415,438.26

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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.