Home / 80,294,610.12-120,418,549.65-31,099,491.07

Finding the Fourth Proportional to 80,294,610.12, 120,418,549.65 and 31,099,491.07

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Solution

The fourth proportional to 80,294,610.12, 120,418,549.65 and 31,099,491.07 is: 46,640,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,294,610.12 : 120,418,549.65 = 31,099,491.07 : x
  2. Step 2: Convert to fraction form
    80,294,610.12/120,418,549.65 = 31,099,491.07/x
  3. Step 3: Cross multiply
    80,294,610.12x = 120,418,549.65 × 31,099,491.07
  4. Step 4: Simplify right side
    80,294,610.12x = 3,744,955,609,665,866.50
  5. Step 5: Solve for x
    x = 3,744,955,609,665,866.50/80,294,610.12
  6. Step 6: Final answer
    x = 46,640,186.73

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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.