Home / 87,548,923.74-120,815,407.38-47,854,673.25

Finding the Fourth Proportional to 87,548,923.74, 120,815,407.38 and 47,854,673.25

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Solution

The fourth proportional to 87,548,923.74, 120,815,407.38 and 47,854,673.25 is: 66,038,297.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,548,923.74 : 120,815,407.38 = 47,854,673.25 : x
  2. Step 2: Convert to fraction form
    87,548,923.74/120,815,407.38 = 47,854,673.25/x
  3. Step 3: Cross multiply
    87,548,923.74x = 120,815,407.38 × 47,854,673.25
  4. Step 4: Simplify right side
    87,548,923.74x = 5,781,581,843,735,538
  5. Step 5: Solve for x
    x = 5,781,581,843,735,538/87,548,923.74
  6. Step 6: Final answer
    x = 66,038,297.18

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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.