Home / 120,146,979.24-179,926,531.20-108,501,646.50

Finding the Fourth Proportional to 120,146,979.24, 179,926,531.20 and 108,501,646.50

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Solution

The fourth proportional to 120,146,979.24, 179,926,531.20 and 108,501,646.50 is: 162,487,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,146,979.24 : 179,926,531.20 = 108,501,646.50 : x
  2. Step 2: Convert to fraction form
    120,146,979.24/179,926,531.20 = 108,501,646.50/x
  3. Step 3: Cross multiply
    120,146,979.24x = 179,926,531.20 × 108,501,646.50
  4. Step 4: Simplify right side
    120,146,979.24x = 19,522,324,884,233,620
  5. Step 5: Solve for x
    x = 19,522,324,884,233,620/120,146,979.24
  6. Step 6: Final answer
    x = 162,487,022.21

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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.