Home / 80,678,783.70-121,002,429.15-26,826,095.70

Finding the Fourth Proportional to 80,678,783.70, 121,002,429.15 and 26,826,095.70

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Solution

The fourth proportional to 80,678,783.70, 121,002,429.15 and 26,826,095.70 is: 40,233,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,678,783.70 : 121,002,429.15 = 26,826,095.70 : x
  2. Step 2: Convert to fraction form
    80,678,783.70/121,002,429.15 = 26,826,095.70/x
  3. Step 3: Cross multiply
    80,678,783.70x = 121,002,429.15 × 26,826,095.70
  4. Step 4: Simplify right side
    80,678,783.70x = 3,246,022,744,310,369.50
  5. Step 5: Solve for x
    x = 3,246,022,744,310,369.50/80,678,783.70
  6. Step 6: Final answer
    x = 40,233,907.79

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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.