Home / 217,819,962.10-326,729,943.15-216,544,503.70

Finding the Fourth Proportional to 217,819,962.10, 326,729,943.15 and 216,544,503.70

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Solution

The fourth proportional to 217,819,962.10, 326,729,943.15 and 216,544,503.70 is: 324,816,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,819,962.10 : 326,729,943.15 = 216,544,503.70 : x
  2. Step 2: Convert to fraction form
    217,819,962.10/326,729,943.15 = 216,544,503.70/x
  3. Step 3: Cross multiply
    217,819,962.10x = 326,729,943.15 × 216,544,503.70
  4. Step 4: Simplify right side
    217,819,962.10x = 70,751,573,383,345,952
  5. Step 5: Solve for x
    x = 70,751,573,383,345,952/217,819,962.10
  6. Step 6: Final answer
    x = 324,816,755.55

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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.