Home / 217,038,912.40-325,936,282.20-115,002,240.40

Finding the Fourth Proportional to 217,038,912.40, 325,936,282.20 and 115,002,240.40

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Solution

The fourth proportional to 217,038,912.40, 325,936,282.20 and 115,002,240.40 is: 172,703,605.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,038,912.40 : 325,936,282.20 = 115,002,240.40 : x
  2. Step 2: Convert to fraction form
    217,038,912.40/325,936,282.20 = 115,002,240.40/x
  3. Step 3: Cross multiply
    217,038,912.40x = 325,936,282.20 × 115,002,240.40
  4. Step 4: Simplify right side
    217,038,912.40x = 37,483,402,680,646,640
  5. Step 5: Solve for x
    x = 37,483,402,680,646,640/217,038,912.40
  6. Step 6: Final answer
    x = 172,703,605.39

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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.