Home / 141,844,213.71-195,753,787.10-78,264,242.16

Finding the Fourth Proportional to 141,844,213.71, 195,753,787.10 and 78,264,242.16

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Solution

The fourth proportional to 141,844,213.71, 195,753,787.10 and 78,264,242.16 is: 108,009,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,844,213.71 : 195,753,787.10 = 78,264,242.16 : x
  2. Step 2: Convert to fraction form
    141,844,213.71/195,753,787.10 = 78,264,242.16/x
  3. Step 3: Cross multiply
    141,844,213.71x = 195,753,787.10 × 78,264,242.16
  4. Step 4: Simplify right side
    141,844,213.71x = 15,320,521,797,381,552
  5. Step 5: Solve for x
    x = 15,320,521,797,381,552/141,844,213.71
  6. Step 6: Final answer
    x = 108,009,494.34

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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.