Home / 201,003,139.30-301,504,708.95-132,128,385.70

Finding the Fourth Proportional to 201,003,139.30, 301,504,708.95 and 132,128,385.70

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Solution

The fourth proportional to 201,003,139.30, 301,504,708.95 and 132,128,385.70 is: 198,192,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,003,139.30 : 301,504,708.95 = 132,128,385.70 : x
  2. Step 2: Convert to fraction form
    201,003,139.30/301,504,708.95 = 132,128,385.70/x
  3. Step 3: Cross multiply
    201,003,139.30x = 301,504,708.95 × 132,128,385.70
  4. Step 4: Simplify right side
    201,003,139.30x = 39,837,330,474,511,840
  5. Step 5: Solve for x
    x = 39,837,330,474,511,840/201,003,139.30
  6. Step 6: Final answer
    x = 198,192,578.55

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1.5x scale

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.