Home / 250,206,436.65-345,287,691.29-142,929,966.21

Finding the Fourth Proportional to 250,206,436.65, 345,287,691.29 and 142,929,966.21

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Solution

The fourth proportional to 250,206,436.65, 345,287,691.29 and 142,929,966.21 is: 197,244,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,206,436.65 : 345,287,691.29 = 142,929,966.21 : x
  2. Step 2: Convert to fraction form
    250,206,436.65/345,287,691.29 = 142,929,966.21/x
  3. Step 3: Cross multiply
    250,206,436.65x = 345,287,691.29 × 142,929,966.21
  4. Step 4: Simplify right side
    250,206,436.65x = 49,351,958,048,038,104
  5. Step 5: Solve for x
    x = 49,351,958,048,038,104/250,206,436.65
  6. Step 6: Final answer
    x = 197,244,957.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.