Home / 218,085,891.60-327,307,296.60-216,385,280.40

Finding the Fourth Proportional to 218,085,891.60, 327,307,296.60 and 216,385,280.40

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Solution

The fourth proportional to 218,085,891.60, 327,307,296.60 and 216,385,280.40 is: 324,754,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,085,891.60 : 327,307,296.60 = 216,385,280.40 : x
  2. Step 2: Convert to fraction form
    218,085,891.60/327,307,296.60 = 216,385,280.40/x
  3. Step 3: Cross multiply
    218,085,891.60x = 327,307,296.60 × 216,385,280.40
  4. Step 4: Simplify right side
    218,085,891.60x = 70,824,481,151,756,976
  5. Step 5: Solve for x
    x = 70,824,481,151,756,976/218,085,891.60
  6. Step 6: Final answer
    x = 324,754,988.19

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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.