Home / 217,820,608.10-326,730,912.15-216,545,149.70

Finding the Fourth Proportional to 217,820,608.10, 326,730,912.15 and 216,545,149.70

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Solution

The fourth proportional to 217,820,608.10, 326,730,912.15 and 216,545,149.70 is: 324,817,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,820,608.10 : 326,730,912.15 = 216,545,149.70 : x
  2. Step 2: Convert to fraction form
    217,820,608.10/326,730,912.15 = 216,545,149.70/x
  3. Step 3: Cross multiply
    217,820,608.10x = 326,730,912.15 × 216,545,149.70
  4. Step 4: Simplify right side
    217,820,608.10x = 70,751,994,283,139,288
  5. Step 5: Solve for x
    x = 70,751,994,283,139,288/217,820,608.10
  6. Step 6: Final answer
    x = 324,817,724.55

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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.