Home / 151,607,358.01-209,218,293.80-81,992,738.97

Finding the Fourth Proportional to 151,607,358.01, 209,218,293.80 and 81,992,738.97

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Solution

The fourth proportional to 151,607,358.01, 209,218,293.80 and 81,992,738.97 is: 113,150,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,607,358.01 : 209,218,293.80 = 81,992,738.97 : x
  2. Step 2: Convert to fraction form
    151,607,358.01/209,218,293.80 = 81,992,738.97/x
  3. Step 3: Cross multiply
    151,607,358.01x = 209,218,293.80 × 81,992,738.97
  4. Step 4: Simplify right side
    151,607,358.01x = 17,154,380,951,189,680
  5. Step 5: Solve for x
    x = 17,154,380,951,189,680/151,607,358.01
  6. Step 6: Final answer
    x = 113,150,055.35

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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.