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Finding the Fourth Proportional to 201,393,044.40, 301,806,131.40 and 149,170,108.80

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Solution

The fourth proportional to 201,393,044.40, 301,806,131.40 and 149,170,108.80 is: 223,545,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,393,044.40 : 301,806,131.40 = 149,170,108.80 : x
  2. Step 2: Convert to fraction form
    201,393,044.40/301,806,131.40 = 149,170,108.80/x
  3. Step 3: Cross multiply
    201,393,044.40x = 301,806,131.40 × 149,170,108.80
  4. Step 4: Simplify right side
    201,393,044.40x = 45,020,453,457,445,096
  5. Step 5: Solve for x
    x = 45,020,453,457,445,096/201,393,044.40
  6. Step 6: Final answer
    x = 223,545,225.17

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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.