Home / 61,245,139.20-91,867,708.80-18,110,500.80

Finding the Fourth Proportional to 61,245,139.20, 91,867,708.80 and 18,110,500.80

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Solution

The fourth proportional to 61,245,139.20, 91,867,708.80 and 18,110,500.80 is: 27,165,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245,139.20 : 91,867,708.80 = 18,110,500.80 : x
  2. Step 2: Convert to fraction form
    61,245,139.20/91,867,708.80 = 18,110,500.80/x
  3. Step 3: Cross multiply
    61,245,139.20x = 91,867,708.80 × 18,110,500.80
  4. Step 4: Simplify right side
    61,245,139.20x = 1,663,770,213,716,567
  5. Step 5: Solve for x
    x = 1,663,770,213,716,567/61,245,139.20
  6. Step 6: Final answer
    x = 27,165,751.20

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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.