Home / 69,087,880.96-103,667,687.43-28,177,334.08

Finding the Fourth Proportional to 69,087,880.96, 103,667,687.43 and 28,177,334.08

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Solution

The fourth proportional to 69,087,880.96, 103,667,687.43 and 28,177,334.08 is: 42,280,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,087,880.96 : 103,667,687.43 = 28,177,334.08 : x
  2. Step 2: Convert to fraction form
    69,087,880.96/103,667,687.43 = 28,177,334.08/x
  3. Step 3: Cross multiply
    69,087,880.96x = 103,667,687.43 × 28,177,334.08
  4. Step 4: Simplify right side
    69,087,880.96x = 2,921,079,062,016,126.50
  5. Step 5: Solve for x
    x = 2,921,079,062,016,126.50/69,087,880.96
  6. Step 6: Final answer
    x = 42,280,628.98

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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.