Home / 87,948,034.02-121,370,520.65-48,255,554.30

Finding the Fourth Proportional to 87,948,034.02, 121,370,520.65 and 48,255,554.30

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Solution

The fourth proportional to 87,948,034.02, 121,370,520.65 and 48,255,554.30 is: 66,593,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,948,034.02 : 121,370,520.65 = 48,255,554.30 : x
  2. Step 2: Convert to fraction form
    87,948,034.02/121,370,520.65 = 48,255,554.30/x
  3. Step 3: Cross multiply
    87,948,034.02x = 121,370,520.65 × 48,255,554.30
  4. Step 4: Simplify right side
    87,948,034.02x = 5,856,801,748,797,216
  5. Step 5: Solve for x
    x = 5,856,801,748,797,216/87,948,034.02
  6. Step 6: Final answer
    x = 66,593,890.52

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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.