Home / 330,252,649.20-495,378,973.80-100,221,364.80

Finding the Fourth Proportional to 330,252,649.20, 495,378,973.80 and 100,221,364.80

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Solution

The fourth proportional to 330,252,649.20, 495,378,973.80 and 100,221,364.80 is: 150,332,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,252,649.20 : 495,378,973.80 = 100,221,364.80 : x
  2. Step 2: Convert to fraction form
    330,252,649.20/495,378,973.80 = 100,221,364.80/x
  3. Step 3: Cross multiply
    330,252,649.20x = 495,378,973.80 × 100,221,364.80
  4. Step 4: Simplify right side
    330,252,649.20x = 49,647,556,847,459,440
  5. Step 5: Solve for x
    x = 49,647,556,847,459,440/330,252,649.20
  6. Step 6: Final answer
    x = 150,332,047.20

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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.