Home / 330,292,198.80-495,422,551.80-111,921,123.60

Finding the Fourth Proportional to 330,292,198.80, 495,422,551.80 and 111,921,123.60

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Solution

The fourth proportional to 330,292,198.80, 495,422,551.80 and 111,921,123.60 is: 167,876,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,292,198.80 : 495,422,551.80 = 111,921,123.60 : x
  2. Step 2: Convert to fraction form
    330,292,198.80/495,422,551.80 = 111,921,123.60/x
  3. Step 3: Cross multiply
    330,292,198.80x = 495,422,551.80 × 111,921,123.60
  4. Step 4: Simplify right side
    330,292,198.80x = 55,448,248,654,235,200
  5. Step 5: Solve for x
    x = 55,448,248,654,235,200/330,292,198.80
  6. Step 6: Final answer
    x = 167,876,349.66

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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.