Home / 65,869,350.80-90,900,245.66-36,501,173.81

Finding the Fourth Proportional to 65,869,350.80, 90,900,245.66 and 36,501,173.81

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Solution

The fourth proportional to 65,869,350.80, 90,900,245.66 and 36,501,173.81 is: 50,371,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869,350.80 : 90,900,245.66 = 36,501,173.81 : x
  2. Step 2: Convert to fraction form
    65,869,350.80/90,900,245.66 = 36,501,173.81/x
  3. Step 3: Cross multiply
    65,869,350.80x = 90,900,245.66 × 36,501,173.81
  4. Step 4: Simplify right side
    65,869,350.80x = 3,317,965,665,911,227.50
  5. Step 5: Solve for x
    x = 3,317,965,665,911,227.50/65,869,350.80
  6. Step 6: Final answer
    x = 50,371,919.96

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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.