Home / 103,344,218.60-155,016,327.90-45,948,590.60

Finding the Fourth Proportional to 103,344,218.60, 155,016,327.90 and 45,948,590.60

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Solution

The fourth proportional to 103,344,218.60, 155,016,327.90 and 45,948,590.60 is: 68,922,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344,218.60 : 155,016,327.90 = 45,948,590.60 : x
  2. Step 2: Convert to fraction form
    103,344,218.60/155,016,327.90 = 45,948,590.60/x
  3. Step 3: Cross multiply
    103,344,218.60x = 155,016,327.90 × 45,948,590.60
  4. Step 4: Simplify right side
    103,344,218.60x = 7,122,781,786,992,458
  5. Step 5: Solve for x
    x = 7,122,781,786,992,458/103,344,218.60
  6. Step 6: Final answer
    x = 68,922,885.90

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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.