Home / 81,632,134.50-122,160,603.03-50,941,154.31

Finding the Fourth Proportional to 81,632,134.50, 122,160,603.03 and 50,941,154.31

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Solution

The fourth proportional to 81,632,134.50, 122,160,603.03 and 50,941,154.31 is: 76,232,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,632,134.50 : 122,160,603.03 = 50,941,154.31 : x
  2. Step 2: Convert to fraction form
    81,632,134.50/122,160,603.03 = 50,941,154.31/x
  3. Step 3: Cross multiply
    81,632,134.50x = 122,160,603.03 × 50,941,154.31
  4. Step 4: Simplify right side
    81,632,134.50x = 6,223,002,129,553,884
  5. Step 5: Solve for x
    x = 6,223,002,129,553,884/81,632,134.50
  6. Step 6: Final answer
    x = 76,232,260.34

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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.