Home / 145,503,151.38-218,173,977.55-48,405,854.42

Finding the Fourth Proportional to 145,503,151.38, 218,173,977.55 and 48,405,854.42

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Solution

The fourth proportional to 145,503,151.38, 218,173,977.55 and 48,405,854.42 is: 72,581,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,503,151.38 : 218,173,977.55 = 48,405,854.42 : x
  2. Step 2: Convert to fraction form
    145,503,151.38/218,173,977.55 = 48,405,854.42/x
  3. Step 3: Cross multiply
    145,503,151.38x = 218,173,977.55 × 48,405,854.42
  4. Step 4: Simplify right side
    145,503,151.38x = 10,560,897,795,942,070
  5. Step 5: Solve for x
    x = 10,560,897,795,942,070/145,503,151.38
  6. Step 6: Final answer
    x = 72,581,917.96

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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.