Home / 120,856,929.30-181,285,393.95-104,417,687.70

Finding the Fourth Proportional to 120,856,929.30, 181,285,393.95 and 104,417,687.70

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Solution

The fourth proportional to 120,856,929.30, 181,285,393.95 and 104,417,687.70 is: 156,626,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,856,929.30 : 181,285,393.95 = 104,417,687.70 : x
  2. Step 2: Convert to fraction form
    120,856,929.30/181,285,393.95 = 104,417,687.70/x
  3. Step 3: Cross multiply
    120,856,929.30x = 181,285,393.95 × 104,417,687.70
  4. Step 4: Simplify right side
    120,856,929.30x = 18,929,401,650,042,568
  5. Step 5: Solve for x
    x = 18,929,401,650,042,568/120,856,929.30
  6. Step 6: Final answer
    x = 156,626,531.55

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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.