Home / 120,458,988.24-166,234,400.18-65,454,844.72

Finding the Fourth Proportional to 120,458,988.24, 166,234,400.18 and 65,454,844.72

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Solution

The fourth proportional to 120,458,988.24, 166,234,400.18 and 65,454,844.72 is: 90,328,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,458,988.24 : 166,234,400.18 = 65,454,844.72 : x
  2. Step 2: Convert to fraction form
    120,458,988.24/166,234,400.18 = 65,454,844.72/x
  3. Step 3: Cross multiply
    120,458,988.24x = 166,234,400.18 × 65,454,844.72
  4. Step 4: Simplify right side
    120,458,988.24x = 10,880,846,850,904,240
  5. Step 5: Solve for x
    x = 10,880,846,850,904,240/120,458,988.24
  6. Step 6: Final answer
    x = 90,328,227.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.