Home / 103,344,102.10-155,016,153.15-68,906,725.30

Finding the Fourth Proportional to 103,344,102.10, 155,016,153.15 and 68,906,725.30

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Solution

The fourth proportional to 103,344,102.10, 155,016,153.15 and 68,906,725.30 is: 103,360,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344,102.10 : 155,016,153.15 = 68,906,725.30 : x
  2. Step 2: Convert to fraction form
    103,344,102.10/155,016,153.15 = 68,906,725.30/x
  3. Step 3: Cross multiply
    103,344,102.10x = 155,016,153.15 × 68,906,725.30
  4. Step 4: Simplify right side
    103,344,102.10x = 10,681,655,482,169,780
  5. Step 5: Solve for x
    x = 10,681,655,482,169,780/103,344,102.10
  6. Step 6: Final answer
    x = 103,360,087.95

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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.