Home / 80,849,230.80-121,273,846.20-40,445,134.80

Finding the Fourth Proportional to 80,849,230.80, 121,273,846.20 and 40,445,134.80

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Solution

The fourth proportional to 80,849,230.80, 121,273,846.20 and 40,445,134.80 is: 60,667,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,849,230.80 : 121,273,846.20 = 40,445,134.80 : x
  2. Step 2: Convert to fraction form
    80,849,230.80/121,273,846.20 = 40,445,134.80/x
  3. Step 3: Cross multiply
    80,849,230.80x = 121,273,846.20 × 40,445,134.80
  4. Step 4: Simplify right side
    80,849,230.80x = 4,904,937,057,273,468
  5. Step 5: Solve for x
    x = 4,904,937,057,273,468/80,849,230.80
  6. Step 6: Final answer
    x = 60,667,702.20

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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.