Home / 200,831,719.20-301,105,861.20-91,709,167.20

Finding the Fourth Proportional to 200,831,719.20, 301,105,861.20 and 91,709,167.20

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Solution

The fourth proportional to 200,831,719.20, 301,105,861.20 and 91,709,167.20 is: 137,499,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,831,719.20 : 301,105,861.20 = 91,709,167.20 : x
  2. Step 2: Convert to fraction form
    200,831,719.20/301,105,861.20 = 91,709,167.20/x
  3. Step 3: Cross multiply
    200,831,719.20x = 301,105,861.20 × 91,709,167.20
  4. Step 4: Simplify right side
    200,831,719.20x = 27,614,167,769,690,792
  5. Step 5: Solve for x
    x = 27,614,167,769,690,792/200,831,719.20
  6. Step 6: Final answer
    x = 137,499,035.91

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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.