Home / 121,093,343.20-167,247,827.76-88,200,137.44

Finding the Fourth Proportional to 121,093,343.20, 167,247,827.76 and 88,200,137.44

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Solution

The fourth proportional to 121,093,343.20, 167,247,827.76 and 88,200,137.44 is: 121,817,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,093,343.20 : 167,247,827.76 = 88,200,137.44 : x
  2. Step 2: Convert to fraction form
    121,093,343.20/167,247,827.76 = 88,200,137.44/x
  3. Step 3: Cross multiply
    121,093,343.20x = 167,247,827.76 × 88,200,137.44
  4. Step 4: Simplify right side
    121,093,343.20x = 14,751,281,394,973,446
  5. Step 5: Solve for x
    x = 14,751,281,394,973,446/121,093,343.20
  6. Step 6: Final answer
    x = 121,817,442.69

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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.