Home / 120,689,990.20-181,034,985.30-44,015,519.80

Finding the Fourth Proportional to 120,689,990.20, 181,034,985.30 and 44,015,519.80

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Solution

The fourth proportional to 120,689,990.20, 181,034,985.30 and 44,015,519.80 is: 66,023,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,689,990.20 : 181,034,985.30 = 44,015,519.80 : x
  2. Step 2: Convert to fraction form
    120,689,990.20/181,034,985.30 = 44,015,519.80/x
  3. Step 3: Cross multiply
    120,689,990.20x = 181,034,985.30 × 44,015,519.80
  4. Step 4: Simplify right side
    120,689,990.20x = 7,968,348,979,964,859
  5. Step 5: Solve for x
    x = 7,968,348,979,964,859/120,689,990.20
  6. Step 6: Final answer
    x = 66,023,279.70

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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.