Home / 89,891,537,642.76-123,950,933,362.26-57,287,127,309.60

Finding the Fourth Proportional to 89,891,537,642.76, 123,950,933,362.26 and 57,287,127,309.60

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Solution

The fourth proportional to 89,891,537,642.76, 123,950,933,362.26 and 57,287,127,309.60 is: 78,992,896,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,891,537,642.76 : 123,950,933,362.26 = 57,287,127,309.60 : x
  2. Step 2: Convert to fraction form
    89,891,537,642.76/123,950,933,362.26 = 57,287,127,309.60/x
  3. Step 3: Cross multiply
    89,891,537,642.76x = 123,950,933,362.26 × 57,287,127,309.60
  4. Step 4: Simplify right side
    89,891,537,642.76x = 7,100,792,899,667,533,758,464
  5. Step 5: Solve for x
    x = 7,100,792,899,667,533,758,464/89,891,537,642.76
  6. Step 6: Final answer
    x = 78,992,896,171.02

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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.