Home / 84,744,760.20-127,133,729.10-36,222,520.20

Finding the Fourth Proportional to 84,744,760.20, 127,133,729.10 and 36,222,520.20

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Solution

The fourth proportional to 84,744,760.20, 127,133,729.10 and 36,222,520.20 is: 54,340,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744,760.20 : 127,133,729.10 = 36,222,520.20 : x
  2. Step 2: Convert to fraction form
    84,744,760.20/127,133,729.10 = 36,222,520.20/x
  3. Step 3: Cross multiply
    84,744,760.20x = 127,133,729.10 × 36,222,520.20
  4. Step 4: Simplify right side
    84,744,760.20x = 4,605,104,070,426,078
  5. Step 5: Solve for x
    x = 4,605,104,070,426,078/84,744,760.20
  6. Step 6: Final answer
    x = 54,340,870.86

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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.