Home / 103,699,418.91-155,547,126.04-30,965,481.87

Finding the Fourth Proportional to 103,699,418.91, 155,547,126.04 and 30,965,481.87

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Solution

The fourth proportional to 103,699,418.91, 155,547,126.04 and 30,965,481.87 is: 46,447,624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,699,418.91 : 155,547,126.04 = 30,965,481.87 : x
  2. Step 2: Convert to fraction form
    103,699,418.91/155,547,126.04 = 30,965,481.87/x
  3. Step 3: Cross multiply
    103,699,418.91x = 155,547,126.04 × 30,965,481.87
  4. Step 4: Simplify right side
    103,699,418.91x = 4,816,591,711,322,225
  5. Step 5: Solve for x
    x = 4,816,591,711,322,225/103,699,418.91
  6. Step 6: Final answer
    x = 46,447,624.89

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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.