Home / 90,150,805.58-124,406,890.91-50,458,324.53

Finding the Fourth Proportional to 90,150,805.58, 124,406,890.91 and 50,458,324.53

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Solution

The fourth proportional to 90,150,805.58, 124,406,890.91 and 50,458,324.53 is: 69,631,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,150,805.58 : 124,406,890.91 = 50,458,324.53 : x
  2. Step 2: Convert to fraction form
    90,150,805.58/124,406,890.91 = 50,458,324.53/x
  3. Step 3: Cross multiply
    90,150,805.58x = 124,406,890.91 × 50,458,324.53
  4. Step 4: Simplify right side
    90,150,805.58x = 6,277,363,275,305,087
  5. Step 5: Solve for x
    x = 6,277,363,275,305,087/90,150,805.58
  6. Step 6: Final answer
    x = 69,631,804.56

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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.