Home / 136,193,999.40-204,290,999.10-123,652,866.60

Finding the Fourth Proportional to 136,193,999.40, 204,290,999.10 and 123,652,866.60

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Solution

The fourth proportional to 136,193,999.40, 204,290,999.10 and 123,652,866.60 is: 185,479,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,193,999.40 : 204,290,999.10 = 123,652,866.60 : x
  2. Step 2: Convert to fraction form
    136,193,999.40/204,290,999.10 = 123,652,866.60/x
  3. Step 3: Cross multiply
    136,193,999.40x = 204,290,999.10 × 123,652,866.60
  4. Step 4: Simplify right side
    136,193,999.40x = 25,261,167,659,293,020
  5. Step 5: Solve for x
    x = 25,261,167,659,293,020/136,193,999.40
  6. Step 6: Final answer
    x = 185,479,299.90

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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.