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Finding the Fourth Proportional to 99,365,400, 149,048,100 and 27,561,816

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Solution

The fourth proportional to 99,365,400, 149,048,100 and 27,561,816 is: 41,342,724

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,365,400 : 149,048,100 = 27,561,816 : x
  2. Step 2: Convert to fraction form
    99,365,400/149,048,100 = 27,561,816/x
  3. Step 3: Cross multiply
    99,365,400x = 149,048,100 × 27,561,816
  4. Step 4: Simplify right side
    99,365,400x = 4,108,036,307,349,600
  5. Step 5: Solve for x
    x = 4,108,036,307,349,600/99,365,400
  6. Step 6: Final answer
    x = 41,342,724

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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.