Home / 144,367,882.80-216,551,824.20-86,972,254.80

Finding the Fourth Proportional to 144,367,882.80, 216,551,824.20 and 86,972,254.80

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Solution

The fourth proportional to 144,367,882.80, 216,551,824.20 and 86,972,254.80 is: 130,458,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,367,882.80 : 216,551,824.20 = 86,972,254.80 : x
  2. Step 2: Convert to fraction form
    144,367,882.80/216,551,824.20 = 86,972,254.80/x
  3. Step 3: Cross multiply
    144,367,882.80x = 216,551,824.20 × 86,972,254.80
  4. Step 4: Simplify right side
    144,367,882.80x = 18,834,000,431,727,204
  5. Step 5: Solve for x
    x = 18,834,000,431,727,204/144,367,882.80
  6. Step 6: Final answer
    x = 130,458,382.20

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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.