Home / 330,192,830.70-495,289,246.05-136,004,289.30

Finding the Fourth Proportional to 330,192,830.70, 495,289,246.05 and 136,004,289.30

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Solution

The fourth proportional to 330,192,830.70, 495,289,246.05 and 136,004,289.30 is: 204,006,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,192,830.70 : 495,289,246.05 = 136,004,289.30 : x
  2. Step 2: Convert to fraction form
    330,192,830.70/495,289,246.05 = 136,004,289.30/x
  3. Step 3: Cross multiply
    330,192,830.70x = 495,289,246.05 × 136,004,289.30
  4. Step 4: Simplify right side
    330,192,830.70x = 67,361,461,906,963,088
  5. Step 5: Solve for x
    x = 67,361,461,906,963,088/330,192,830.70
  6. Step 6: Final answer
    x = 204,006,433.95

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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.