Home / 131,413,896.49-196,981,837.49-49,497,331.88

Finding the Fourth Proportional to 131,413,896.49, 196,981,837.49 and 49,497,331.88

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Solution

The fourth proportional to 131,413,896.49, 196,981,837.49 and 49,497,331.88 is: 74,193,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,413,896.49 : 196,981,837.49 = 49,497,331.88 : x
  2. Step 2: Convert to fraction form
    131,413,896.49/196,981,837.49 = 49,497,331.88/x
  3. Step 3: Cross multiply
    131,413,896.49x = 196,981,837.49 × 49,497,331.88
  4. Step 4: Simplify right side
    131,413,896.49x = 9,750,075,384,574,758
  5. Step 5: Solve for x
    x = 9,750,075,384,574,758/131,413,896.49
  6. Step 6: Final answer
    x = 74,193,640.44

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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.