Home / 103,815,659.40-155,723,489.10-27,146,437.80

Finding the Fourth Proportional to 103,815,659.40, 155,723,489.10 and 27,146,437.80

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Solution

The fourth proportional to 103,815,659.40, 155,723,489.10 and 27,146,437.80 is: 40,719,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,815,659.40 : 155,723,489.10 = 27,146,437.80 : x
  2. Step 2: Convert to fraction form
    103,815,659.40/155,723,489.10 = 27,146,437.80/x
  3. Step 3: Cross multiply
    103,815,659.40x = 155,723,489.10 × 27,146,437.80
  4. Step 4: Simplify right side
    103,815,659.40x = 4,227,338,010,852,128
  5. Step 5: Solve for x
    x = 4,227,338,010,852,128/103,815,659.40
  6. Step 6: Final answer
    x = 40,719,656.70

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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.