Home / 330,498,988.38-495,730,542.12-100,450,137

Finding the Fourth Proportional to 330,498,988.38, 495,730,542.12 and 100,450,137

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Solution

The fourth proportional to 330,498,988.38, 495,730,542.12 and 100,450,137 is: 150,669,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,498,988.38 : 495,730,542.12 = 100,450,137 : x
  2. Step 2: Convert to fraction form
    330,498,988.38/495,730,542.12 = 100,450,137/x
  3. Step 3: Cross multiply
    330,498,988.38x = 495,730,542.12 × 100,450,137
  4. Step 4: Simplify right side
    330,498,988.38x = 49,796,200,871,038,272
  5. Step 5: Solve for x
    x = 49,796,200,871,038,272/330,498,988.38
  6. Step 6: Final answer
    x = 150,669,752.77

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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.