Home / 81,957,999.96-113,097,599.46-45,286,209

Finding the Fourth Proportional to 81,957,999.96, 113,097,599.46 and 45,286,209

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Solution

The fourth proportional to 81,957,999.96, 113,097,599.46 and 45,286,209 is: 62,492,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,957,999.96 : 113,097,599.46 = 45,286,209 : x
  2. Step 2: Convert to fraction form
    81,957,999.96/113,097,599.46 = 45,286,209/x
  3. Step 3: Cross multiply
    81,957,999.96x = 113,097,599.46 × 45,286,209
  4. Step 4: Simplify right side
    81,957,999.96x = 5,121,761,526,543,847
  5. Step 5: Solve for x
    x = 5,121,761,526,543,847/81,957,999.96
  6. Step 6: Final answer
    x = 62,492,514.81

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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.