Home / 82,570,488.09-123,904,028.89-30,790,862.85

Finding the Fourth Proportional to 82,570,488.09, 123,904,028.89 and 30,790,862.85

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Solution

The fourth proportional to 82,570,488.09, 123,904,028.89 and 30,790,862.85 is: 46,204,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,570,488.09 : 123,904,028.89 = 30,790,862.85 : x
  2. Step 2: Convert to fraction form
    82,570,488.09/123,904,028.89 = 30,790,862.85/x
  3. Step 3: Cross multiply
    82,570,488.09x = 123,904,028.89 × 30,790,862.85
  4. Step 4: Simplify right side
    82,570,488.09x = 3,815,111,960,114,428
  5. Step 5: Solve for x
    x = 3,815,111,960,114,428/82,570,488.09
  6. Step 6: Final answer
    x = 46,204,304.33

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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.