Home / 299,381,112.80-449,533,563.60-163,332,216.80

Finding the Fourth Proportional to 299,381,112.80, 449,533,563.60 and 163,332,216.80

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Solution

The fourth proportional to 299,381,112.80, 449,533,563.60 and 163,332,216.80 is: 245,250,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,381,112.80 : 449,533,563.60 = 163,332,216.80 : x
  2. Step 2: Convert to fraction form
    299,381,112.80/449,533,563.60 = 163,332,216.80/x
  3. Step 3: Cross multiply
    299,381,112.80x = 449,533,563.60 × 163,332,216.80
  4. Step 4: Simplify right side
    299,381,112.80x = 73,423,313,468,791,792
  5. Step 5: Solve for x
    x = 73,423,313,468,791,792/299,381,112.80
  6. Step 6: Final answer
    x = 245,250,319.17

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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.