Home / 172,344,786.72-237,835,468.68-94,028,393.28

Finding the Fourth Proportional to 172,344,786.72, 237,835,468.68 and 94,028,393.28

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Solution

The fourth proportional to 172,344,786.72, 237,835,468.68 and 94,028,393.28 is: 129,758,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,344,786.72 : 237,835,468.68 = 94,028,393.28 : x
  2. Step 2: Convert to fraction form
    172,344,786.72/237,835,468.68 = 94,028,393.28/x
  3. Step 3: Cross multiply
    172,344,786.72x = 237,835,468.68 × 94,028,393.28
  4. Step 4: Simplify right side
    172,344,786.72x = 22,363,286,984,976,164
  5. Step 5: Solve for x
    x = 22,363,286,984,976,164/172,344,786.72
  6. Step 6: Final answer
    x = 129,758,998.87

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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.