Home / 121,548,801.92-182,310,932.57-82,408,368.83

Finding the Fourth Proportional to 121,548,801.92, 182,310,932.57 and 82,408,368.83

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Solution

The fourth proportional to 121,548,801.92, 182,310,932.57 and 82,408,368.83 is: 123,604,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,548,801.92 : 182,310,932.57 = 82,408,368.83 : x
  2. Step 2: Convert to fraction form
    121,548,801.92/182,310,932.57 = 82,408,368.83/x
  3. Step 3: Cross multiply
    121,548,801.92x = 182,310,932.57 × 82,408,368.83
  4. Step 4: Simplify right side
    121,548,801.92x = 15,023,946,571,646,224
  5. Step 5: Solve for x
    x = 15,023,946,571,646,224/121,548,801.92
  6. Step 6: Final answer
    x = 123,604,234.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.