Home / 330,150,954.80-495,273,671.40-100,138,041.20

Finding the Fourth Proportional to 330,150,954.80, 495,273,671.40 and 100,138,041.20

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Solution

The fourth proportional to 330,150,954.80, 495,273,671.40 and 100,138,041.20 is: 150,221,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,150,954.80 : 495,273,671.40 = 100,138,041.20 : x
  2. Step 2: Convert to fraction form
    330,150,954.80/495,273,671.40 = 100,138,041.20/x
  3. Step 3: Cross multiply
    330,150,954.80x = 495,273,671.40 × 100,138,041.20
  4. Step 4: Simplify right side
    330,150,954.80x = 49,595,735,311,928,464
  5. Step 5: Solve for x
    x = 49,595,735,311,928,464/330,150,954.80
  6. Step 6: Final answer
    x = 150,221,389.92

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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.