Home / 330,261,619.20-495,392,428.80-100,230,334.80

Finding the Fourth Proportional to 330,261,619.20, 495,392,428.80 and 100,230,334.80

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Solution

The fourth proportional to 330,261,619.20, 495,392,428.80 and 100,230,334.80 is: 150,345,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,261,619.20 : 495,392,428.80 = 100,230,334.80 : x
  2. Step 2: Convert to fraction form
    330,261,619.20/495,392,428.80 = 100,230,334.80/x
  3. Step 3: Cross multiply
    330,261,619.20x = 495,392,428.80 × 100,230,334.80
  4. Step 4: Simplify right side
    330,261,619.20x = 49,653,348,996,009,160
  5. Step 5: Solve for x
    x = 49,653,348,996,009,160/330,261,619.20
  6. Step 6: Final answer
    x = 150,345,502.20

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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.