Home / 80,745,293.70-120,973,598.55-49,138,769.70

Finding the Fourth Proportional to 80,745,293.70, 120,973,598.55 and 49,138,769.70

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Solution

The fourth proportional to 80,745,293.70, 120,973,598.55 and 49,138,769.70 is: 73,620,313.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,745,293.70 : 120,973,598.55 = 49,138,769.70 : x
  2. Step 2: Convert to fraction form
    80,745,293.70/120,973,598.55 = 49,138,769.70/x
  3. Step 3: Cross multiply
    80,745,293.70x = 120,973,598.55 × 49,138,769.70
  4. Step 4: Simplify right side
    80,745,293.70x = 5,944,493,798,928,704
  5. Step 5: Solve for x
    x = 5,944,493,798,928,704/80,745,293.70
  6. Step 6: Final answer
    x = 73,620,313.04

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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.