Home / 82,848,427.84-124,545,078.78-76,855,508.38

Finding the Fourth Proportional to 82,848,427.84, 124,545,078.78 and 76,855,508.38

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Solution

The fourth proportional to 82,848,427.84, 124,545,078.78 and 76,855,508.38 is: 115,535,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,848,427.84 : 124,545,078.78 = 76,855,508.38 : x
  2. Step 2: Convert to fraction form
    82,848,427.84/124,545,078.78 = 76,855,508.38/x
  3. Step 3: Cross multiply
    82,848,427.84x = 124,545,078.78 × 76,855,508.38
  4. Step 4: Simplify right side
    82,848,427.84x = 9,571,975,345,864,050
  5. Step 5: Solve for x
    x = 9,571,975,345,864,050/82,848,427.84
  6. Step 6: Final answer
    x = 115,535,992.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.