Home / 250,384,167.60-345,130,912.88-197,374,428.68

Finding the Fourth Proportional to 250,384,167.60, 345,130,912.88 and 197,374,428.68

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Solution

The fourth proportional to 250,384,167.60, 345,130,912.88 and 197,374,428.68 is: 272,061,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,384,167.60 : 345,130,912.88 = 197,374,428.68 : x
  2. Step 2: Convert to fraction form
    250,384,167.60/345,130,912.88 = 197,374,428.68/x
  3. Step 3: Cross multiply
    250,384,167.60x = 345,130,912.88 × 197,374,428.68
  4. Step 4: Simplify right side
    250,384,167.60x = 68,120,016,749,496,856
  5. Step 5: Solve for x
    x = 68,120,016,749,496,856/250,384,167.60
  6. Step 6: Final answer
    x = 272,061,997.38

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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.