Home / 91,308,879.24-126,019,715.49-57,821,414.97

Finding the Fourth Proportional to 91,308,879.24, 126,019,715.49 and 57,821,414.97

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Solution

The fourth proportional to 91,308,879.24, 126,019,715.49 and 57,821,414.97 is: 79,802,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,308,879.24 : 126,019,715.49 = 57,821,414.97 : x
  2. Step 2: Convert to fraction form
    91,308,879.24/126,019,715.49 = 57,821,414.97/x
  3. Step 3: Cross multiply
    91,308,879.24x = 126,019,715.49 × 57,821,414.97
  4. Step 4: Simplify right side
    91,308,879.24x = 7,286,638,263,748,626
  5. Step 5: Solve for x
    x = 7,286,638,263,748,626/91,308,879.24
  6. Step 6: Final answer
    x = 79,802,077.57

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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.