Home / 81,481,001.22-122,275,347.17-38,362,535.64

Finding the Fourth Proportional to 81,481,001.22, 122,275,347.17 and 38,362,535.64

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Solution

The fourth proportional to 81,481,001.22, 122,275,347.17 and 38,362,535.64 is: 57,569,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,481,001.22 : 122,275,347.17 = 38,362,535.64 : x
  2. Step 2: Convert to fraction form
    81,481,001.22/122,275,347.17 = 38,362,535.64/x
  3. Step 3: Cross multiply
    81,481,001.22x = 122,275,347.17 × 38,362,535.64
  4. Step 4: Simplify right side
    81,481,001.22x = 4,690,792,363,510,686
  5. Step 5: Solve for x
    x = 4,690,792,363,510,686/81,481,001.22
  6. Step 6: Final answer
    x = 57,569,154.69

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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.