Home / 82,368,001.75-113,667,528.99-45,198,904.33

Finding the Fourth Proportional to 82,368,001.75, 113,667,528.99 and 45,198,904.33

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Solution

The fourth proportional to 82,368,001.75, 113,667,528.99 and 45,198,904.33 is: 62,374,315.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,368,001.75 : 113,667,528.99 = 45,198,904.33 : x
  2. Step 2: Convert to fraction form
    82,368,001.75/113,667,528.99 = 45,198,904.33/x
  3. Step 3: Cross multiply
    82,368,001.75x = 113,667,528.99 × 45,198,904.33
  4. Step 4: Simplify right side
    82,368,001.75x = 5,137,647,768,246,511
  5. Step 5: Solve for x
    x = 5,137,647,768,246,511/82,368,001.75
  6. Step 6: Final answer
    x = 62,374,315.99

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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.