Home / 209,167,806.12-313,388,105.85-146,786,824.14

Finding the Fourth Proportional to 209,167,806.12, 313,388,105.85 and 146,786,824.14

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Solution

The fourth proportional to 209,167,806.12, 313,388,105.85 and 146,786,824.14 is: 219,925,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,167,806.12 : 313,388,105.85 = 146,786,824.14 : x
  2. Step 2: Convert to fraction form
    209,167,806.12/313,388,105.85 = 146,786,824.14/x
  3. Step 3: Cross multiply
    209,167,806.12x = 313,388,105.85 × 146,786,824.14
  4. Step 4: Simplify right side
    209,167,806.12x = 46,001,244,780,971,656
  5. Step 5: Solve for x
    x = 46,001,244,780,971,656/209,167,806.12
  6. Step 6: Final answer
    x = 219,925,071.81

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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.