Home / 81,368,286.82-112,317,700.89-53,875,072.42

Finding the Fourth Proportional to 81,368,286.82, 112,317,700.89 and 53,875,072.42

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Solution

The fourth proportional to 81,368,286.82, 112,317,700.89 and 53,875,072.42 is: 74,367,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,368,286.82 : 112,317,700.89 = 53,875,072.42 : x
  2. Step 2: Convert to fraction form
    81,368,286.82/112,317,700.89 = 53,875,072.42/x
  3. Step 3: Cross multiply
    81,368,286.82x = 112,317,700.89 × 53,875,072.42
  4. Step 4: Simplify right side
    81,368,286.82x = 6,051,124,269,496,649
  5. Step 5: Solve for x
    x = 6,051,124,269,496,649/81,368,286.82
  6. Step 6: Final answer
    x = 74,367,109.18

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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.