Home / 279,111,416.43-418,667,096.93-74,634,177.15

Finding the Fourth Proportional to 279,111,416.43, 418,667,096.93 and 74,634,177.15

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Solution

The fourth proportional to 279,111,416.43, 418,667,096.93 and 74,634,177.15 is: 111,951,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,111,416.43 : 418,667,096.93 = 74,634,177.15 : x
  2. Step 2: Convert to fraction form
    279,111,416.43/418,667,096.93 = 74,634,177.15/x
  3. Step 3: Cross multiply
    279,111,416.43x = 418,667,096.93 × 74,634,177.15
  4. Step 4: Simplify right side
    279,111,416.43x = 31,246,874,278,776,672
  5. Step 5: Solve for x
    x = 31,246,874,278,776,672/279,111,416.43
  6. Step 6: Final answer
    x = 111,951,258.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.