Home / 132,611,480.40-198,917,220.60-68,041,398.90

Finding the Fourth Proportional to 132,611,480.40, 198,917,220.60 and 68,041,398.90

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Solution

The fourth proportional to 132,611,480.40, 198,917,220.60 and 68,041,398.90 is: 102,062,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,611,480.40 : 198,917,220.60 = 68,041,398.90 : x
  2. Step 2: Convert to fraction form
    132,611,480.40/198,917,220.60 = 68,041,398.90/x
  3. Step 3: Cross multiply
    132,611,480.40x = 198,917,220.60 × 68,041,398.90
  4. Step 4: Simplify right side
    132,611,480.40x = 13,534,605,954,923,898
  5. Step 5: Solve for x
    x = 13,534,605,954,923,898/132,611,480.40
  6. Step 6: Final answer
    x = 102,062,098.35

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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.