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Finding the Fourth Proportional to 201,793,583.70, 302,690,375.55 and 99,756,911.70

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Solution

The fourth proportional to 201,793,583.70, 302,690,375.55 and 99,756,911.70 is: 149,635,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,793,583.70 : 302,690,375.55 = 99,756,911.70 : x
  2. Step 2: Convert to fraction form
    201,793,583.70/302,690,375.55 = 99,756,911.70/x
  3. Step 3: Cross multiply
    201,793,583.70x = 302,690,375.55 × 99,756,911.70
  4. Step 4: Simplify right side
    201,793,583.70x = 30,195,457,066,181,192
  5. Step 5: Solve for x
    x = 30,195,457,066,181,192/201,793,583.70
  6. Step 6: Final answer
    x = 149,635,367.55

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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.