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Finding the Fourth Proportional to 199,591,201.30, 299,430,347.55 and 113,370,913.30

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Solution

The fourth proportional to 199,591,201.30, 299,430,347.55 and 113,370,913.30 is: 170,081,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,591,201.30 : 299,430,347.55 = 113,370,913.30 : x
  2. Step 2: Convert to fraction form
    199,591,201.30/299,430,347.55 = 113,370,913.30/x
  3. Step 3: Cross multiply
    199,591,201.30x = 299,430,347.55 × 113,370,913.30
  4. Step 4: Simplify right side
    199,591,201.30x = 33,946,691,971,479,916
  5. Step 5: Solve for x
    x = 33,946,691,971,479,916/199,591,201.30
  6. Step 6: Final answer
    x = 170,081,104.53

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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.