Home / 261,558,538.91-392,386,080.92-108,216,552.77

Finding the Fourth Proportional to 261,558,538.91, 392,386,080.92 and 108,216,552.77

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Solution

The fourth proportional to 261,558,538.91, 392,386,080.92 and 108,216,552.77 is: 162,344,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,558,538.91 : 392,386,080.92 = 108,216,552.77 : x
  2. Step 2: Convert to fraction form
    261,558,538.91/392,386,080.92 = 108,216,552.77/x
  3. Step 3: Cross multiply
    261,558,538.91x = 392,386,080.92 × 108,216,552.77
  4. Step 4: Simplify right side
    261,558,538.91x = 42,462,669,029,589,656
  5. Step 5: Solve for x
    x = 42,462,669,029,589,656/261,558,538.91
  6. Step 6: Final answer
    x = 162,344,801.31

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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.