Home / 87,825,822.90-121,200,347.43-48,668,253.72

Finding the Fourth Proportional to 87,825,822.90, 121,200,347.43 and 48,668,253.72

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Solution

The fourth proportional to 87,825,822.90, 121,200,347.43 and 48,668,253.72 is: 67,162,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,825,822.90 : 121,200,347.43 = 48,668,253.72 : x
  2. Step 2: Convert to fraction form
    87,825,822.90/121,200,347.43 = 48,668,253.72/x
  3. Step 3: Cross multiply
    87,825,822.90x = 121,200,347.43 × 48,668,253.72
  4. Step 4: Simplify right side
    87,825,822.90x = 5,898,609,259,675,390
  5. Step 5: Solve for x
    x = 5,898,609,259,675,390/87,825,822.90
  6. Step 6: Final answer
    x = 67,162,584.59

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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.