Home / 66,561,905.60-99,795,619.20-25,605,519.20

Finding the Fourth Proportional to 66,561,905.60, 99,795,619.20 and 25,605,519.20

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Solution

The fourth proportional to 66,561,905.60, 99,795,619.20 and 25,605,519.20 is: 38,390,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,561,905.60 : 99,795,619.20 = 25,605,519.20 : x
  2. Step 2: Convert to fraction form
    66,561,905.60/99,795,619.20 = 25,605,519.20/x
  3. Step 3: Cross multiply
    66,561,905.60x = 99,795,619.20 × 25,605,519.20
  4. Step 4: Simplify right side
    66,561,905.60x = 2,555,318,643,501,488.50
  5. Step 5: Solve for x
    x = 2,555,318,643,501,488.50/66,561,905.60
  6. Step 6: Final answer
    x = 38,390,106.48

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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.