Home / 217,037,731.20-325,556,596.80-187,812,412.80

Finding the Fourth Proportional to 217,037,731.20, 325,556,596.80 and 187,812,412.80

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Solution

The fourth proportional to 217,037,731.20, 325,556,596.80 and 187,812,412.80 is: 281,718,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,037,731.20 : 325,556,596.80 = 187,812,412.80 : x
  2. Step 2: Convert to fraction form
    217,037,731.20/325,556,596.80 = 187,812,412.80/x
  3. Step 3: Cross multiply
    217,037,731.20x = 325,556,596.80 × 187,812,412.80
  4. Step 4: Simplify right side
    217,037,731.20x = 61,143,569,947,964,768
  5. Step 5: Solve for x
    x = 61,143,569,947,964,768/217,037,731.20
  6. Step 6: Final answer
    x = 281,718,619.20

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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.