Home / 49,478,314.20-74,246,412.60-20,722,034.40

Finding the Fourth Proportional to 49,478,314.20, 74,246,412.60 and 20,722,034.40

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Solution

The fourth proportional to 49,478,314.20, 74,246,412.60 and 20,722,034.40 is: 31,095,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,478,314.20 : 74,246,412.60 = 20,722,034.40 : x
  2. Step 2: Convert to fraction form
    49,478,314.20/74,246,412.60 = 20,722,034.40/x
  3. Step 3: Cross multiply
    49,478,314.20x = 74,246,412.60 × 20,722,034.40
  4. Step 4: Simplify right side
    49,478,314.20x = 1,538,536,715,973,793.25
  5. Step 5: Solve for x
    x = 1,538,536,715,973,793.25/49,478,314.20
  6. Step 6: Final answer
    x = 31,095,172.52

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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.