Home / 89,643,716.38-123,707,071.11-49,952,920.01

Finding the Fourth Proportional to 89,643,716.38, 123,707,071.11 and 49,952,920.01

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Solution

The fourth proportional to 89,643,716.38, 123,707,071.11 and 49,952,920.01 is: 68,934,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,643,716.38 : 123,707,071.11 = 49,952,920.01 : x
  2. Step 2: Convert to fraction form
    89,643,716.38/123,707,071.11 = 49,952,920.01/x
  3. Step 3: Cross multiply
    89,643,716.38x = 123,707,071.11 × 49,952,920.01
  4. Step 4: Simplify right side
    89,643,716.38x = 6,179,529,427,117,265
  5. Step 5: Solve for x
    x = 6,179,529,427,117,265/89,643,716.38
  6. Step 6: Final answer
    x = 68,934,328.89

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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.