Home / 120,677,791.20-181,016,686.80-44,003,320.80

Finding the Fourth Proportional to 120,677,791.20, 181,016,686.80 and 44,003,320.80

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Solution

The fourth proportional to 120,677,791.20, 181,016,686.80 and 44,003,320.80 is: 66,004,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,677,791.20 : 181,016,686.80 = 44,003,320.80 : x
  2. Step 2: Convert to fraction form
    120,677,791.20/181,016,686.80 = 44,003,320.80/x
  3. Step 3: Cross multiply
    120,677,791.20x = 181,016,686.80 × 44,003,320.80
  4. Step 4: Simplify right side
    120,677,791.20x = 7,965,335,339,413,525
  5. Step 5: Solve for x
    x = 7,965,335,339,413,525/120,677,791.20
  6. Step 6: Final answer
    x = 66,004,981.20

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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.