Home / 132,091,781.40-198,137,672.10-70,869,778.20

Finding the Fourth Proportional to 132,091,781.40, 198,137,672.10 and 70,869,778.20

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Solution

The fourth proportional to 132,091,781.40, 198,137,672.10 and 70,869,778.20 is: 106,304,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,091,781.40 : 198,137,672.10 = 70,869,778.20 : x
  2. Step 2: Convert to fraction form
    132,091,781.40/198,137,672.10 = 70,869,778.20/x
  3. Step 3: Cross multiply
    132,091,781.40x = 198,137,672.10 × 70,869,778.20
  4. Step 4: Simplify right side
    132,091,781.40x = 14,041,972,874,791,328
  5. Step 5: Solve for x
    x = 14,041,972,874,791,328/132,091,781.40
  6. Step 6: Final answer
    x = 106,304,667.30

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1.5x scale

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.