Home / 308,222,470.70-462,284,491.21-89,821,726.45

Finding the Fourth Proportional to 308,222,470.70, 462,284,491.21 and 89,821,726.45

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Solution

The fourth proportional to 308,222,470.70, 462,284,491.21 and 89,821,726.45 is: 134,718,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,222,470.70 : 462,284,491.21 = 89,821,726.45 : x
  2. Step 2: Convert to fraction form
    308,222,470.70/462,284,491.21 = 89,821,726.45/x
  3. Step 3: Cross multiply
    308,222,470.70x = 462,284,491.21 × 89,821,726.45
  4. Step 4: Simplify right side
    308,222,470.70x = 41,523,191,111,542,048
  5. Step 5: Solve for x
    x = 41,523,191,111,542,048/308,222,470.70
  6. Step 6: Final answer
    x = 134,718,247.56

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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.