Home / 172,398,949.42-237,910,487.63-94,082,502.91

Finding the Fourth Proportional to 172,398,949.42, 237,910,487.63 and 94,082,502.91

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Solution

The fourth proportional to 172,398,949.42, 237,910,487.63 and 94,082,502.91 is: 129,833,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,398,949.42 : 237,910,487.63 = 94,082,502.91 : x
  2. Step 2: Convert to fraction form
    172,398,949.42/237,910,487.63 = 94,082,502.91/x
  3. Step 3: Cross multiply
    172,398,949.42x = 237,910,487.63 × 94,082,502.91
  4. Step 4: Simplify right side
    172,398,949.42x = 22,383,214,144,768,992
  5. Step 5: Solve for x
    x = 22,383,214,144,768,992/172,398,949.42
  6. Step 6: Final answer
    x = 129,833,819.87

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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.