Home / 66,023,208-91,110,251.88-39,576,501.72

Finding the Fourth Proportional to 66,023,208, 91,110,251.88 and 39,576,501.72

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Solution

The fourth proportional to 66,023,208, 91,110,251.88 and 39,576,501.72 is: 54,614,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,023,208 : 91,110,251.88 = 39,576,501.72 : x
  2. Step 2: Convert to fraction form
    66,023,208/91,110,251.88 = 39,576,501.72/x
  3. Step 3: Cross multiply
    66,023,208x = 91,110,251.88 × 39,576,501.72
  4. Step 4: Simplify right side
    66,023,208x = 3,605,825,040,238,453
  5. Step 5: Solve for x
    x = 3,605,825,040,238,453/66,023,208
  6. Step 6: Final answer
    x = 54,614,508.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.