Home / 146,608,135.31-219,805,579.15-68,844,968.71

Finding the Fourth Proportional to 146,608,135.31, 219,805,579.15 and 68,844,968.71

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Solution

The fourth proportional to 146,608,135.31, 219,805,579.15 and 68,844,968.71 is: 103,217,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,608,135.31 : 219,805,579.15 = 68,844,968.71 : x
  2. Step 2: Convert to fraction form
    146,608,135.31/219,805,579.15 = 68,844,968.71/x
  3. Step 3: Cross multiply
    146,608,135.31x = 219,805,579.15 × 68,844,968.71
  4. Step 4: Simplify right side
    146,608,135.31x = 15,132,508,218,143,552
  5. Step 5: Solve for x
    x = 15,132,508,218,143,552/146,608,135.31
  6. Step 6: Final answer
    x = 103,217,384.12

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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.