Home / 65,869,344.05-90,900,236.33-36,501,167.05

Finding the Fourth Proportional to 65,869,344.05, 90,900,236.33 and 36,501,167.05

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Solution

The fourth proportional to 65,869,344.05, 90,900,236.33 and 36,501,167.05 is: 50,371,910.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869,344.05 : 90,900,236.33 = 36,501,167.05 : x
  2. Step 2: Convert to fraction form
    65,869,344.05/90,900,236.33 = 36,501,167.05/x
  3. Step 3: Cross multiply
    65,869,344.05x = 90,900,236.33 × 36,501,167.05
  4. Step 4: Simplify right side
    65,869,344.05x = 3,317,964,711,136,439
  5. Step 5: Solve for x
    x = 3,317,964,711,136,439/65,869,344.05
  6. Step 6: Final answer
    x = 50,371,910.62

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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.