Home / 103,344,101.60-155,016,152.40-68,906,724.80

Finding the Fourth Proportional to 103,344,101.60, 155,016,152.40 and 68,906,724.80

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Solution

The fourth proportional to 103,344,101.60, 155,016,152.40 and 68,906,724.80 is: 103,360,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344,101.60 : 155,016,152.40 = 68,906,724.80 : x
  2. Step 2: Convert to fraction form
    103,344,101.60/155,016,152.40 = 68,906,724.80/x
  3. Step 3: Cross multiply
    103,344,101.60x = 155,016,152.40 × 68,906,724.80
  4. Step 4: Simplify right side
    103,344,101.60x = 10,681,655,352,981,660
  5. Step 5: Solve for x
    x = 10,681,655,352,981,660/103,344,101.60
  6. Step 6: Final answer
    x = 103,360,087.20

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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.