Home / 170,840,439.72-256,304,341.26-49,671,891.72

Finding the Fourth Proportional to 170,840,439.72, 256,304,341.26 and 49,671,891.72

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Solution

The fourth proportional to 170,840,439.72, 256,304,341.26 and 49,671,891.72 is: 74,520,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,840,439.72 : 256,304,341.26 = 49,671,891.72 : x
  2. Step 2: Convert to fraction form
    170,840,439.72/256,304,341.26 = 49,671,891.72/x
  3. Step 3: Cross multiply
    170,840,439.72x = 256,304,341.26 × 49,671,891.72
  4. Step 4: Simplify right side
    170,840,439.72x = 12,731,121,486,432,648
  5. Step 5: Solve for x
    x = 12,731,121,486,432,648/170,840,439.72
  6. Step 6: Final answer
    x = 74,520,538.04

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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.