Home / 330,261,640.70-495,392,461.05-100,230,356.30

Finding the Fourth Proportional to 330,261,640.70, 495,392,461.05 and 100,230,356.30

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Solution

The fourth proportional to 330,261,640.70, 495,392,461.05 and 100,230,356.30 is: 150,345,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,261,640.70 : 495,392,461.05 = 100,230,356.30 : x
  2. Step 2: Convert to fraction form
    330,261,640.70/495,392,461.05 = 100,230,356.30/x
  3. Step 3: Cross multiply
    330,261,640.70x = 495,392,461.05 × 100,230,356.30
  4. Step 4: Simplify right side
    330,261,640.70x = 49,653,362,879,375,368
  5. Step 5: Solve for x
    x = 49,653,362,879,375,368/330,261,640.70
  6. Step 6: Final answer
    x = 150,345,534.45

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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.