Home / 151,687,873.96-209,327,775.79-82,071,727.36

Finding the Fourth Proportional to 151,687,873.96, 209,327,775.79 and 82,071,727.36

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Solution

The fourth proportional to 151,687,873.96, 209,327,775.79 and 82,071,727.36 is: 113,258,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,687,873.96 : 209,327,775.79 = 82,071,727.36 : x
  2. Step 2: Convert to fraction form
    151,687,873.96/209,327,775.79 = 82,071,727.36/x
  3. Step 3: Cross multiply
    151,687,873.96x = 209,327,775.79 × 82,071,727.36
  4. Step 4: Simplify right side
    151,687,873.96x = 17,179,892,143,512,088
  5. Step 5: Solve for x
    x = 17,179,892,143,512,088/151,687,873.96
  6. Step 6: Final answer
    x = 113,258,177.43

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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.