Home / 201,667,057.70-302,500,586.55-99,630,385.70

Finding the Fourth Proportional to 201,667,057.70, 302,500,586.55 and 99,630,385.70

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Solution

The fourth proportional to 201,667,057.70, 302,500,586.55 and 99,630,385.70 is: 149,445,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,667,057.70 : 302,500,586.55 = 99,630,385.70 : x
  2. Step 2: Convert to fraction form
    201,667,057.70/302,500,586.55 = 99,630,385.70/x
  3. Step 3: Cross multiply
    201,667,057.70x = 302,500,586.55 × 99,630,385.70
  4. Step 4: Simplify right side
    201,667,057.70x = 30,138,250,112,452,736
  5. Step 5: Solve for x
    x = 30,138,250,112,452,736/201,667,057.70
  6. Step 6: Final answer
    x = 149,445,578.55

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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.