Home / 279,111,386.75-418,667,052.58-74,634,147.59

Finding the Fourth Proportional to 279,111,386.75, 418,667,052.58 and 74,634,147.59

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Solution

The fourth proportional to 279,111,386.75, 418,667,052.58 and 74,634,147.59 is: 111,951,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,111,386.75 : 418,667,052.58 = 74,634,147.59 : x
  2. Step 2: Convert to fraction form
    279,111,386.75/418,667,052.58 = 74,634,147.59/x
  3. Step 3: Cross multiply
    279,111,386.75x = 418,667,052.58 × 74,634,147.59
  4. Step 4: Simplify right side
    279,111,386.75x = 31,246,858,591,046,084
  5. Step 5: Solve for x
    x = 31,246,858,591,046,084/279,111,386.75
  6. Step 6: Final answer
    x = 111,951,214.01

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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.