Home / 100,102,453.09-150,098,941.79-79,485,329.33

Finding the Fourth Proportional to 100,102,453.09, 150,098,941.79 and 79,485,329.33

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Solution

The fourth proportional to 100,102,453.09, 150,098,941.79 and 79,485,329.33 is: 119,184,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,102,453.09 : 150,098,941.79 = 79,485,329.33 : x
  2. Step 2: Convert to fraction form
    100,102,453.09/150,098,941.79 = 79,485,329.33/x
  3. Step 3: Cross multiply
    100,102,453.09x = 150,098,941.79 × 79,485,329.33
  4. Step 4: Simplify right side
    100,102,453.09x = 11,930,663,819,975,668
  5. Step 5: Solve for x
    x = 11,930,663,819,975,668/100,102,453.09
  6. Step 6: Final answer
    x = 119,184,529.97

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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.