Home / 80,809,734.60-121,143,743.10-48,474,502.20

Finding the Fourth Proportional to 80,809,734.60, 121,143,743.10 and 48,474,502.20

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Solution

The fourth proportional to 80,809,734.60, 121,143,743.10 and 48,474,502.20 is: 72,669,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,809,734.60 : 121,143,743.10 = 48,474,502.20 : x
  2. Step 2: Convert to fraction form
    80,809,734.60/121,143,743.10 = 48,474,502.20/x
  3. Step 3: Cross multiply
    80,809,734.60x = 121,143,743.10 × 48,474,502.20
  4. Step 4: Simplify right side
    80,809,734.60x = 5,872,382,641,417,185
  5. Step 5: Solve for x
    x = 5,872,382,641,417,185/80,809,734.60
  6. Step 6: Final answer
    x = 72,669,247.96

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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.