Home / 151,714,787.10-209,366,406.92-82,100,168.66

Finding the Fourth Proportional to 151,714,787.10, 209,366,406.92 and 82,100,168.66

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Solution

The fourth proportional to 151,714,787.10, 209,366,406.92 and 82,100,168.66 is: 113,298,233.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714,787.10 : 209,366,406.92 = 82,100,168.66 : x
  2. Step 2: Convert to fraction form
    151,714,787.10/209,366,406.92 = 82,100,168.66/x
  3. Step 3: Cross multiply
    151,714,787.10x = 209,366,406.92 × 82,100,168.66
  4. Step 4: Simplify right side
    151,714,787.10x = 17,189,017,320,598,858
  5. Step 5: Solve for x
    x = 17,189,017,320,598,858/151,714,787.10
  6. Step 6: Final answer
    x = 113,298,233.15

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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.