Home / 81,856,977.20-122,787,434.10-24,351,124.40

Finding the Fourth Proportional to 81,856,977.20, 122,787,434.10 and 24,351,124.40

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Solution

The fourth proportional to 81,856,977.20, 122,787,434.10 and 24,351,124.40 is: 36,527,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,856,977.20 : 122,787,434.10 = 24,351,124.40 : x
  2. Step 2: Convert to fraction form
    81,856,977.20/122,787,434.10 = 24,351,124.40/x
  3. Step 3: Cross multiply
    81,856,977.20x = 122,787,434.10 × 24,351,124.40
  4. Step 4: Simplify right side
    81,856,977.20x = 2,990,012,082,525,901.50
  5. Step 5: Solve for x
    x = 2,990,012,082,525,901.50/81,856,977.20
  6. Step 6: Final answer
    x = 36,527,272.14

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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.