Home / 120,856,932.30-181,285,398.45-104,417,690.70

Finding the Fourth Proportional to 120,856,932.30, 181,285,398.45 and 104,417,690.70

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Solution

The fourth proportional to 120,856,932.30, 181,285,398.45 and 104,417,690.70 is: 156,626,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,856,932.30 : 181,285,398.45 = 104,417,690.70 : x
  2. Step 2: Convert to fraction form
    120,856,932.30/181,285,398.45 = 104,417,690.70/x
  3. Step 3: Cross multiply
    120,856,932.30x = 181,285,398.45 × 104,417,690.70
  4. Step 4: Simplify right side
    120,856,932.30x = 18,929,402,663,778,360
  5. Step 5: Solve for x
    x = 18,929,402,663,778,360/120,856,932.30
  6. Step 6: Final answer
    x = 156,626,536.05

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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.