Home / 145,612,791.60-218,419,187.40-122,654,540.40

Finding the Fourth Proportional to 145,612,791.60, 218,419,187.40 and 122,654,540.40

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Solution

The fourth proportional to 145,612,791.60, 218,419,187.40 and 122,654,540.40 is: 183,981,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,612,791.60 : 218,419,187.40 = 122,654,540.40 : x
  2. Step 2: Convert to fraction form
    145,612,791.60/218,419,187.40 = 122,654,540.40/x
  3. Step 3: Cross multiply
    145,612,791.60x = 218,419,187.40 × 122,654,540.40
  4. Step 4: Simplify right side
    145,612,791.60x = 26,790,105,045,088,472
  5. Step 5: Solve for x
    x = 26,790,105,045,088,472/145,612,791.60
  6. Step 6: Final answer
    x = 183,981,810.60

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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.