Home / 81,545,900.20-112,533,360.83-44,876,471.20

Finding the Fourth Proportional to 81,545,900.20, 112,533,360.83 and 44,876,471.20

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Solution

The fourth proportional to 81,545,900.20, 112,533,360.83 and 44,876,471.20 is: 61,929,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,545,900.20 : 112,533,360.83 = 44,876,471.20 : x
  2. Step 2: Convert to fraction form
    81,545,900.20/112,533,360.83 = 44,876,471.20/x
  3. Step 3: Cross multiply
    81,545,900.20x = 112,533,360.83 × 44,876,471.20
  4. Step 4: Simplify right side
    81,545,900.20x = 5,050,100,126,326,703
  5. Step 5: Solve for x
    x = 5,050,100,126,326,703/81,545,900.20
  6. Step 6: Final answer
    x = 61,929,540.47

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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.