Home / 61,972,977.72-85,545,732.42-53,236,087.68

Finding the Fourth Proportional to 61,972,977.72, 85,545,732.42 and 53,236,087.68

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Solution

The fourth proportional to 61,972,977.72, 85,545,732.42 and 53,236,087.68 is: 73,485,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,972,977.72 : 85,545,732.42 = 53,236,087.68 : x
  2. Step 2: Convert to fraction form
    61,972,977.72/85,545,732.42 = 53,236,087.68/x
  3. Step 3: Cross multiply
    61,972,977.72x = 85,545,732.42 × 53,236,087.68
  4. Step 4: Simplify right side
    61,972,977.72x = 4,554,120,111,760,939
  5. Step 5: Solve for x
    x = 4,554,120,111,760,939/61,972,977.72
  6. Step 6: Final answer
    x = 73,485,578.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.