Home / 66,269,036.20-99,344,456.70-25,870,124.20

Finding the Fourth Proportional to 66,269,036.20, 99,344,456.70 and 25,870,124.20

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Solution

The fourth proportional to 66,269,036.20, 99,344,456.70 and 25,870,124.20 is: 38,782,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,269,036.20 : 99,344,456.70 = 25,870,124.20 : x
  2. Step 2: Convert to fraction form
    66,269,036.20/99,344,456.70 = 25,870,124.20/x
  3. Step 3: Cross multiply
    66,269,036.20x = 99,344,456.70 × 25,870,124.20
  4. Step 4: Simplify right side
    66,269,036.20x = 2,570,053,433,410,522
  5. Step 5: Solve for x
    x = 2,570,053,433,410,522/66,269,036.20
  6. Step 6: Final answer
    x = 38,782,115.76

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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.