Home / 91,062,947.52-125,667,855.84-49,808,932.80

Finding the Fourth Proportional to 91,062,947.52, 125,667,855.84 and 49,808,932.80

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Solution

The fourth proportional to 91,062,947.52, 125,667,855.84 and 49,808,932.80 is: 68,736,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,062,947.52 : 125,667,855.84 = 49,808,932.80 : x
  2. Step 2: Convert to fraction form
    91,062,947.52/125,667,855.84 = 49,808,932.80/x
  3. Step 3: Cross multiply
    91,062,947.52x = 125,667,855.84 × 49,808,932.80
  4. Step 4: Simplify right side
    91,062,947.52x = 6,259,381,786,654,647
  5. Step 5: Solve for x
    x = 6,259,381,786,654,647/91,062,947.52
  6. Step 6: Final answer
    x = 68,736,867.82

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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.