Home / 81,859,966.62-112,963,787.91-45,189,750.30

Finding the Fourth Proportional to 81,859,966.62, 112,963,787.91 and 45,189,750.30

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Solution

The fourth proportional to 81,859,966.62, 112,963,787.91 and 45,189,750.30 is: 62,360,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,859,966.62 : 112,963,787.91 = 45,189,750.30 : x
  2. Step 2: Convert to fraction form
    81,859,966.62/112,963,787.91 = 45,189,750.30/x
  3. Step 3: Cross multiply
    81,859,966.62x = 112,963,787.91 × 45,189,750.30
  4. Step 4: Simplify right side
    81,859,966.62x = 5,104,805,368,595,058
  5. Step 5: Solve for x
    x = 5,104,805,368,595,058/81,859,966.62
  6. Step 6: Final answer
    x = 62,360,218.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.