Home / 384,172,748.70-576,079,716.15-138,497,027.10

Finding the Fourth Proportional to 384,172,748.70, 576,079,716.15 and 138,497,027.10

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Solution

The fourth proportional to 384,172,748.70, 576,079,716.15 and 138,497,027.10 is: 207,680,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,172,748.70 : 576,079,716.15 = 138,497,027.10 : x
  2. Step 2: Convert to fraction form
    384,172,748.70/576,079,716.15 = 138,497,027.10/x
  3. Step 3: Cross multiply
    384,172,748.70x = 576,079,716.15 × 138,497,027.10
  4. Step 4: Simplify right side
    384,172,748.70x = 79,785,328,059,386,848
  5. Step 5: Solve for x
    x = 79,785,328,059,386,848/384,172,748.70
  6. Step 6: Final answer
    x = 207,680,863.18

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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.