Home / 31,869,657.20-47,875,344.60-30,665,057.60

Finding the Fourth Proportional to 31,869,657.20, 47,875,344.60 and 30,665,057.60

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Solution

The fourth proportional to 31,869,657.20, 47,875,344.60 and 30,665,057.60 is: 46,065,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,869,657.20 : 47,875,344.60 = 30,665,057.60 : x
  2. Step 2: Convert to fraction form
    31,869,657.20/47,875,344.60 = 30,665,057.60/x
  3. Step 3: Cross multiply
    31,869,657.20x = 47,875,344.60 × 30,665,057.60
  4. Step 4: Simplify right side
    31,869,657.20x = 1,468,100,199,778,849
  5. Step 5: Solve for x
    x = 1,468,100,199,778,849/31,869,657.20
  6. Step 6: Final answer
    x = 46,065,766.90

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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.