Home / 66,730,235.20-100,158,338.40-41,221,067.20

Finding the Fourth Proportional to 66,730,235.20, 100,158,338.40 and 41,221,067.20

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Solution

The fourth proportional to 66,730,235.20, 100,158,338.40 and 41,221,067.20 is: 61,870,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,730,235.20 : 100,158,338.40 = 41,221,067.20 : x
  2. Step 2: Convert to fraction form
    66,730,235.20/100,158,338.40 = 41,221,067.20/x
  3. Step 3: Cross multiply
    66,730,235.20x = 100,158,338.40 × 41,221,067.20
  4. Step 4: Simplify right side
    66,730,235.20x = 4,128,633,597,826,741
  5. Step 5: Solve for x
    x = 4,128,633,597,826,741/66,730,235.20
  6. Step 6: Final answer
    x = 61,870,508.70

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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.