Home / 66,699,899.56-99,980,481.66-25,787,437.48

Finding the Fourth Proportional to 66,699,899.56, 99,980,481.66 and 25,787,437.48

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Solution

The fourth proportional to 66,699,899.56, 99,980,481.66 and 25,787,437.48 is: 38,654,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,699,899.56 : 99,980,481.66 = 25,787,437.48 : x
  2. Step 2: Convert to fraction form
    66,699,899.56/99,980,481.66 = 25,787,437.48/x
  3. Step 3: Cross multiply
    66,699,899.56x = 99,980,481.66 × 25,787,437.48
  4. Step 4: Simplify right side
    66,699,899.56x = 2,578,240,420,027,536.50
  5. Step 5: Solve for x
    x = 2,578,240,420,027,536.50/66,699,899.56
  6. Step 6: Final answer
    x = 38,654,337.37

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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.