Home / 240,659,541.20-360,400,578.69-217,368,603.56

Finding the Fourth Proportional to 240,659,541.20, 360,400,578.69 and 217,368,603.56

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Solution

The fourth proportional to 240,659,541.20, 360,400,578.69 and 217,368,603.56 is: 325,521,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,659,541.20 : 360,400,578.69 = 217,368,603.56 : x
  2. Step 2: Convert to fraction form
    240,659,541.20/360,400,578.69 = 217,368,603.56/x
  3. Step 3: Cross multiply
    240,659,541.20x = 360,400,578.69 × 217,368,603.56
  4. Step 4: Simplify right side
    240,659,541.20x = 78,339,770,512,061,200
  5. Step 5: Solve for x
    x = 78,339,770,512,061,200/240,659,541.20
  6. Step 6: Final answer
    x = 325,521,149.59

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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.