Home / 49,358,120.80-74,006,077.20-20,624,245.60

Finding the Fourth Proportional to 49,358,120.80, 74,006,077.20 and 20,624,245.60

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Solution

The fourth proportional to 49,358,120.80, 74,006,077.20 and 20,624,245.60 is: 30,923,371.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,358,120.80 : 74,006,077.20 = 20,624,245.60 : x
  2. Step 2: Convert to fraction form
    49,358,120.80/74,006,077.20 = 20,624,245.60/x
  3. Step 3: Cross multiply
    49,358,120.80x = 74,006,077.20 × 20,624,245.60
  4. Step 4: Simplify right side
    49,358,120.80x = 1,526,319,512,065,360.50
  5. Step 5: Solve for x
    x = 1,526,319,512,065,360.50/49,358,120.80
  6. Step 6: Final answer
    x = 30,923,371.62

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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.