Home / 87,948,030.27-121,370,515.47-48,255,550.55

Finding the Fourth Proportional to 87,948,030.27, 121,370,515.47 and 48,255,550.55

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Solution

The fourth proportional to 87,948,030.27, 121,370,515.47 and 48,255,550.55 is: 66,593,885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,948,030.27 : 121,370,515.47 = 48,255,550.55 : x
  2. Step 2: Convert to fraction form
    87,948,030.27/121,370,515.47 = 48,255,550.55/x
  3. Step 3: Cross multiply
    87,948,030.27x = 121,370,515.47 × 48,255,550.55
  4. Step 4: Simplify right side
    87,948,030.27x = 5,856,801,043,935,290
  5. Step 5: Solve for x
    x = 5,856,801,043,935,290/87,948,030.27
  6. Step 6: Final answer
    x = 66,593,885.34

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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.