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Finding the Fourth Proportional to 201,481,955.90, 302,297,583.45 and 194,016,995.90

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Solution

The fourth proportional to 201,481,955.90, 302,297,583.45 and 194,016,995.90 is: 291,097,377.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,481,955.90 : 302,297,583.45 = 194,016,995.90 : x
  2. Step 2: Convert to fraction form
    201,481,955.90/302,297,583.45 = 194,016,995.90/x
  3. Step 3: Cross multiply
    201,481,955.90x = 302,297,583.45 × 194,016,995.90
  4. Step 4: Simplify right side
    201,481,955.90x = 58,650,869,008,798,560
  5. Step 5: Solve for x
    x = 58,650,869,008,798,560/201,481,955.90
  6. Step 6: Final answer
    x = 291,097,377.66

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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.