Home / 81,542,788-112,529,065.72-44,873,358.96

Finding the Fourth Proportional to 81,542,788, 112,529,065.72 and 44,873,358.96

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Solution

The fourth proportional to 81,542,788, 112,529,065.72 and 44,873,358.96 is: 61,925,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,542,788 : 112,529,065.72 = 44,873,358.96 : x
  2. Step 2: Convert to fraction form
    81,542,788/112,529,065.72 = 44,873,358.96/x
  3. Step 3: Cross multiply
    81,542,788x = 112,529,065.72 × 44,873,358.96
  4. Step 4: Simplify right side
    81,542,788x = 5,049,557,159,486,991
  5. Step 5: Solve for x
    x = 5,049,557,159,486,991/81,542,788
  6. Step 6: Final answer
    x = 61,925,245.42

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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.