Home / 217,733,999.10-326,600,998.65-216,222,344.70

Finding the Fourth Proportional to 217,733,999.10, 326,600,998.65 and 216,222,344.70

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Solution

The fourth proportional to 217,733,999.10, 326,600,998.65 and 216,222,344.70 is: 324,333,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,733,999.10 : 326,600,998.65 = 216,222,344.70 : x
  2. Step 2: Convert to fraction form
    217,733,999.10/326,600,998.65 = 216,222,344.70/x
  3. Step 3: Cross multiply
    217,733,999.10x = 326,600,998.65 × 216,222,344.70
  4. Step 4: Simplify right side
    217,733,999.10x = 70,618,433,709,464,528
  5. Step 5: Solve for x
    x = 70,618,433,709,464,528/217,733,999.10
  6. Step 6: Final answer
    x = 324,333,517.05

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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.