Home / 129,260,682.20-193,891,023.30-61,236,234.20

Finding the Fourth Proportional to 129,260,682.20, 193,891,023.30 and 61,236,234.20

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Solution

The fourth proportional to 129,260,682.20, 193,891,023.30 and 61,236,234.20 is: 91,854,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,260,682.20 : 193,891,023.30 = 61,236,234.20 : x
  2. Step 2: Convert to fraction form
    129,260,682.20/193,891,023.30 = 61,236,234.20/x
  3. Step 3: Cross multiply
    129,260,682.20x = 193,891,023.30 × 61,236,234.20
  4. Step 4: Simplify right side
    129,260,682.20x = 11,873,156,112,076,458
  5. Step 5: Solve for x
    x = 11,873,156,112,076,458/129,260,682.20
  6. Step 6: Final answer
    x = 91,854,351.30

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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.