Home / 425,850,125.40-639,060,521.40-149,502,160.44

Finding the Fourth Proportional to 425,850,125.40, 639,060,521.40 and 149,502,160.44

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Solution

The fourth proportional to 425,850,125.40, 639,060,521.40 and 149,502,160.44 is: 224,353,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,850,125.40 : 639,060,521.40 = 149,502,160.44 : x
  2. Step 2: Convert to fraction form
    425,850,125.40/639,060,521.40 = 149,502,160.44/x
  3. Step 3: Cross multiply
    425,850,125.40x = 639,060,521.40 × 149,502,160.44
  4. Step 4: Simplify right side
    425,850,125.40x = 95,540,928,601,212,848
  5. Step 5: Solve for x
    x = 95,540,928,601,212,848/425,850,125.40
  6. Step 6: Final answer
    x = 224,353,411.92

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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.