Home / 82,226,709.09-123,292,254.96-31,112,669.97

Finding the Fourth Proportional to 82,226,709.09, 123,292,254.96 and 31,112,669.97

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Solution

The fourth proportional to 82,226,709.09, 123,292,254.96 and 31,112,669.97 is: 46,650,915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,226,709.09 : 123,292,254.96 = 31,112,669.97 : x
  2. Step 2: Convert to fraction form
    82,226,709.09/123,292,254.96 = 31,112,669.97/x
  3. Step 3: Cross multiply
    82,226,709.09x = 123,292,254.96 × 31,112,669.97
  4. Step 4: Simplify right side
    82,226,709.09x = 3,835,951,238,427,575
  5. Step 5: Solve for x
    x = 3,835,951,238,427,575/82,226,709.09
  6. Step 6: Final answer
    x = 46,650,915.27

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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.