Home / 218,072,556.40-327,108,834.60-145,513,145.20

Finding the Fourth Proportional to 218,072,556.40, 327,108,834.60 and 145,513,145.20

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Solution

The fourth proportional to 218,072,556.40, 327,108,834.60 and 145,513,145.20 is: 218,269,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,072,556.40 : 327,108,834.60 = 145,513,145.20 : x
  2. Step 2: Convert to fraction form
    218,072,556.40/327,108,834.60 = 145,513,145.20/x
  3. Step 3: Cross multiply
    218,072,556.40x = 327,108,834.60 × 145,513,145.20
  4. Step 4: Simplify right side
    218,072,556.40x = 47,598,635,345,352,584
  5. Step 5: Solve for x
    x = 47,598,635,345,352,584/218,072,556.40
  6. Step 6: Final answer
    x = 218,269,717.80

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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.