Home / 217,046,147.20-325,569,220.80-187,820,828.80

Finding the Fourth Proportional to 217,046,147.20, 325,569,220.80 and 187,820,828.80

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Solution

The fourth proportional to 217,046,147.20, 325,569,220.80 and 187,820,828.80 is: 281,731,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,046,147.20 : 325,569,220.80 = 187,820,828.80 : x
  2. Step 2: Convert to fraction form
    217,046,147.20/325,569,220.80 = 187,820,828.80/x
  3. Step 3: Cross multiply
    217,046,147.20x = 325,569,220.80 × 187,820,828.80
  4. Step 4: Simplify right side
    217,046,147.20x = 61,148,680,882,426,208
  5. Step 5: Solve for x
    x = 61,148,680,882,426,208/217,046,147.20
  6. Step 6: Final answer
    x = 281,731,243.20

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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.