Home / 106,438,286.20-159,657,429.30-68,174,534.20

Finding the Fourth Proportional to 106,438,286.20, 159,657,429.30 and 68,174,534.20

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Solution

The fourth proportional to 106,438,286.20, 159,657,429.30 and 68,174,534.20 is: 102,261,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,438,286.20 : 159,657,429.30 = 68,174,534.20 : x
  2. Step 2: Convert to fraction form
    106,438,286.20/159,657,429.30 = 68,174,534.20/x
  3. Step 3: Cross multiply
    106,438,286.20x = 159,657,429.30 × 68,174,534.20
  4. Step 4: Simplify right side
    106,438,286.20x = 10,884,570,874,096,934
  5. Step 5: Solve for x
    x = 10,884,570,874,096,934/106,438,286.20
  6. Step 6: Final answer
    x = 102,261,801.30

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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.