Home / 240,659,878.20-360,401,085-217,368,940.56

Finding the Fourth Proportional to 240,659,878.20, 360,401,085 and 217,368,940.56

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Solution

The fourth proportional to 240,659,878.20, 360,401,085 and 217,368,940.56 is: 325,521,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,659,878.20 : 360,401,085 = 217,368,940.56 : x
  2. Step 2: Convert to fraction form
    240,659,878.20/360,401,085 = 217,368,940.56/x
  3. Step 3: Cross multiply
    240,659,878.20x = 360,401,085 × 217,368,940.56
  4. Step 4: Simplify right side
    240,659,878.20x = 78,340,002,023,124,512
  5. Step 5: Solve for x
    x = 78,340,002,023,124,512/240,659,878.20
  6. Step 6: Final answer
    x = 325,521,655.75

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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.