Home / 323,158,170.96-485,454,701.88-200,427,186.60

Finding the Fourth Proportional to 323,158,170.96, 485,454,701.88 and 200,427,186.60

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Solution

The fourth proportional to 323,158,170.96, 485,454,701.88 and 200,427,186.60 is: 301,085,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,158,170.96 : 485,454,701.88 = 200,427,186.60 : x
  2. Step 2: Convert to fraction form
    323,158,170.96/485,454,701.88 = 200,427,186.60/x
  3. Step 3: Cross multiply
    323,158,170.96x = 485,454,701.88 × 200,427,186.60
  4. Step 4: Simplify right side
    323,158,170.96x = 97,298,320,119,550,128
  5. Step 5: Solve for x
    x = 97,298,320,119,550,128/323,158,170.96
  6. Step 6: Final answer
    x = 301,085,749.53

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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.