Home / 250,462,860.29-345,599,768.40-143,170,650.90

Finding the Fourth Proportional to 250,462,860.29, 345,599,768.40 and 143,170,650.90

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Solution

The fourth proportional to 250,462,860.29, 345,599,768.40 and 143,170,650.90 is: 197,553,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,462,860.29 : 345,599,768.40 = 143,170,650.90 : x
  2. Step 2: Convert to fraction form
    250,462,860.29/345,599,768.40 = 143,170,650.90/x
  3. Step 3: Cross multiply
    250,462,860.29x = 345,599,768.40 × 143,170,650.90
  4. Step 4: Simplify right side
    250,462,860.29x = 49,479,743,792,717,248
  5. Step 5: Solve for x
    x = 49,479,743,792,717,248/250,462,860.29
  6. Step 6: Final answer
    x = 197,553,217.02

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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.