Home / 81,499,348.91-112,458,871.26-55,095,138.52

Finding the Fourth Proportional to 81,499,348.91, 112,458,871.26 and 55,095,138.52

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Solution

The fourth proportional to 81,499,348.91, 112,458,871.26 and 55,095,138.52 is: 76,024,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,499,348.91 : 112,458,871.26 = 55,095,138.52 : x
  2. Step 2: Convert to fraction form
    81,499,348.91/112,458,871.26 = 55,095,138.52/x
  3. Step 3: Cross multiply
    81,499,348.91x = 112,458,871.26 × 55,095,138.52
  4. Step 4: Simplify right side
    81,499,348.91x = 6,195,937,089,591,400
  5. Step 5: Solve for x
    x = 6,195,937,089,591,400/81,499,348.91
  6. Step 6: Final answer
    x = 76,024,375.31

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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.