Home / 55,313,137.20-82,969,705.80-52,478,785.20

Finding the Fourth Proportional to 55,313,137.20, 82,969,705.80 and 52,478,785.20

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Solution

The fourth proportional to 55,313,137.20, 82,969,705.80 and 52,478,785.20 is: 78,718,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,313,137.20 : 82,969,705.80 = 52,478,785.20 : x
  2. Step 2: Convert to fraction form
    55,313,137.20/82,969,705.80 = 52,478,785.20/x
  3. Step 3: Cross multiply
    55,313,137.20x = 82,969,705.80 × 52,478,785.20
  4. Step 4: Simplify right side
    55,313,137.20x = 4,354,149,368,785,394.50
  5. Step 5: Solve for x
    x = 4,354,149,368,785,394.50/55,313,137.20
  6. Step 6: Final answer
    x = 78,718,177.80

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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.