Home / 88,519,538.32-122,157,080.56-48,826,178.90

Finding the Fourth Proportional to 88,519,538.32, 122,157,080.56 and 48,826,178.90

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Solution

The fourth proportional to 88,519,538.32, 122,157,080.56 and 48,826,178.90 is: 67,380,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,519,538.32 : 122,157,080.56 = 48,826,178.90 : x
  2. Step 2: Convert to fraction form
    88,519,538.32/122,157,080.56 = 48,826,178.90/x
  3. Step 3: Cross multiply
    88,519,538.32x = 122,157,080.56 × 48,826,178.90
  4. Step 4: Simplify right side
    88,519,538.32x = 5,964,463,469,232,609
  5. Step 5: Solve for x
    x = 5,964,463,469,232,609/88,519,538.32
  6. Step 6: Final answer
    x = 67,380,191.79

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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.