Home / 85,236,517.52-117,637,906.92-48,074,421.20

Finding the Fourth Proportional to 85,236,517.52, 117,637,906.92 and 48,074,421.20

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Solution

The fourth proportional to 85,236,517.52, 117,637,906.92 and 48,074,421.20 is: 66,349,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,236,517.52 : 117,637,906.92 = 48,074,421.20 : x
  2. Step 2: Convert to fraction form
    85,236,517.52/117,637,906.92 = 48,074,421.20/x
  3. Step 3: Cross multiply
    85,236,517.52x = 117,637,906.92 × 48,074,421.20
  4. Step 4: Simplify right side
    85,236,517.52x = 5,655,374,286,358,475
  5. Step 5: Solve for x
    x = 5,655,374,286,358,475/85,236,517.52
  6. Step 6: Final answer
    x = 66,349,194.58

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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.