Home / 168,400,930.40-252,601,395.60-82,194,639.20

Finding the Fourth Proportional to 168,400,930.40, 252,601,395.60 and 82,194,639.20

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Solution

The fourth proportional to 168,400,930.40, 252,601,395.60 and 82,194,639.20 is: 123,291,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,400,930.40 : 252,601,395.60 = 82,194,639.20 : x
  2. Step 2: Convert to fraction form
    168,400,930.40/252,601,395.60 = 82,194,639.20/x
  3. Step 3: Cross multiply
    168,400,930.40x = 252,601,395.60 × 82,194,639.20
  4. Step 4: Simplify right side
    168,400,930.40x = 20,762,480,572,758,468
  5. Step 5: Solve for x
    x = 20,762,480,572,758,468/168,400,930.40
  6. Step 6: Final answer
    x = 123,291,958.80

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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.