Home / 151,719,345.32-209,373,334.92-82,104,729.62

Finding the Fourth Proportional to 151,719,345.32, 209,373,334.92 and 82,104,729.62

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Solution

The fourth proportional to 151,719,345.32, 209,373,334.92 and 82,104,729.62 is: 113,304,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,719,345.32 : 209,373,334.92 = 82,104,729.62 : x
  2. Step 2: Convert to fraction form
    151,719,345.32/209,373,334.92 = 82,104,729.62/x
  3. Step 3: Cross multiply
    151,719,345.32x = 209,373,334.92 × 82,104,729.62
  4. Step 4: Simplify right side
    151,719,345.32x = 17,190,541,052,197,436
  5. Step 5: Solve for x
    x = 17,190,541,052,197,436/151,719,345.32
  6. Step 6: Final answer
    x = 113,304,872.34

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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.