Home / 48,706,753.12-67,189,836.28-30,115,950.64

Finding the Fourth Proportional to 48,706,753.12, 67,189,836.28 and 30,115,950.64

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Solution

The fourth proportional to 48,706,753.12, 67,189,836.28 and 30,115,950.64 is: 41,544,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,706,753.12 : 67,189,836.28 = 30,115,950.64 : x
  2. Step 2: Convert to fraction form
    48,706,753.12/67,189,836.28 = 30,115,950.64/x
  3. Step 3: Cross multiply
    48,706,753.12x = 67,189,836.28 × 30,115,950.64
  4. Step 4: Simplify right side
    48,706,753.12x = 2,023,485,792,918,161.25
  5. Step 5: Solve for x
    x = 2,023,485,792,918,161.25/48,706,753.12
  6. Step 6: Final answer
    x = 41,544,255.43

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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.