Home / 49,375,287-68,138,599.32-28,466,905.32

Finding the Fourth Proportional to 49,375,287, 68,138,599.32 and 28,466,905.32

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Solution

The fourth proportional to 49,375,287, 68,138,599.32 and 28,466,905.32 is: 39,284,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,375,287 : 68,138,599.32 = 28,466,905.32 : x
  2. Step 2: Convert to fraction form
    49,375,287/68,138,599.32 = 28,466,905.32/x
  3. Step 3: Cross multiply
    49,375,287x = 68,138,599.32 × 28,466,905.32
  4. Step 4: Simplify right side
    49,375,287x = 1,939,695,055,479,856.25
  5. Step 5: Solve for x
    x = 1,939,695,055,479,856.25/49,375,287
  6. Step 6: Final answer
    x = 39,284,734.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.