Home / 51,899,932.31-77,825,935.83-19,102,262.81

Finding the Fourth Proportional to 51,899,932.31, 77,825,935.83 and 19,102,262.81

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Solution

The fourth proportional to 51,899,932.31, 77,825,935.83 and 19,102,262.81 is: 28,644,574.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,899,932.31 : 77,825,935.83 = 19,102,262.81 : x
  2. Step 2: Convert to fraction form
    51,899,932.31/77,825,935.83 = 19,102,262.81/x
  3. Step 3: Cross multiply
    51,899,932.31x = 77,825,935.83 × 19,102,262.81
  4. Step 4: Simplify right side
    51,899,932.31x = 1,486,651,479,658,855.25
  5. Step 5: Solve for x
    x = 1,486,651,479,658,855.25/51,899,932.31
  6. Step 6: Final answer
    x = 28,644,574.54

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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.