Home / 201,003,138.30-301,504,707.45-132,128,384.70

Finding the Fourth Proportional to 201,003,138.30, 301,504,707.45 and 132,128,384.70

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Solution

The fourth proportional to 201,003,138.30, 301,504,707.45 and 132,128,384.70 is: 198,192,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,003,138.30 : 301,504,707.45 = 132,128,384.70 : x
  2. Step 2: Convert to fraction form
    201,003,138.30/301,504,707.45 = 132,128,384.70/x
  3. Step 3: Cross multiply
    201,003,138.30x = 301,504,707.45 × 132,128,384.70
  4. Step 4: Simplify right side
    201,003,138.30x = 39,837,329,974,814,552
  5. Step 5: Solve for x
    x = 39,837,329,974,814,552/201,003,138.30
  6. Step 6: Final answer
    x = 198,192,577.05

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Double scale
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Similar ratio
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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.