Home / 61,961,447.40-92,951,028.45-21,022,775.70

Finding the Fourth Proportional to 61,961,447.40, 92,951,028.45 and 21,022,775.70

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Solution

The fourth proportional to 61,961,447.40, 92,951,028.45 and 21,022,775.70 is: 31,537,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,961,447.40 : 92,951,028.45 = 21,022,775.70 : x
  2. Step 2: Convert to fraction form
    61,961,447.40/92,951,028.45 = 21,022,775.70/x
  3. Step 3: Cross multiply
    61,961,447.40x = 92,951,028.45 × 21,022,775.70
  4. Step 4: Simplify right side
    61,961,447.40x = 1,954,088,622,188,668.75
  5. Step 5: Solve for x
    x = 1,954,088,622,188,668.75/61,961,447.40
  6. Step 6: Final answer
    x = 31,537,168.74

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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.