Home / 103,344,106.60-155,016,159.90-68,906,729.80

Finding the Fourth Proportional to 103,344,106.60, 155,016,159.90 and 68,906,729.80

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Solution

The fourth proportional to 103,344,106.60, 155,016,159.90 and 68,906,729.80 is: 103,360,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344,106.60 : 155,016,159.90 = 68,906,729.80 : x
  2. Step 2: Convert to fraction form
    103,344,106.60/155,016,159.90 = 68,906,729.80/x
  3. Step 3: Cross multiply
    103,344,106.60x = 155,016,159.90 × 68,906,729.80
  4. Step 4: Simplify right side
    103,344,106.60x = 10,681,656,644,862,894
  5. Step 5: Solve for x
    x = 10,681,656,644,862,894/103,344,106.60
  6. Step 6: Final answer
    x = 103,360,094.70

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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.