Home / 69,857,851.91-104,670,936.54-42,481,333.08

Finding the Fourth Proportional to 69,857,851.91, 104,670,936.54 and 42,481,333.08

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Solution

The fourth proportional to 69,857,851.91, 104,670,936.54 and 42,481,333.08 is: 63,651,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,857,851.91 : 104,670,936.54 = 42,481,333.08 : x
  2. Step 2: Convert to fraction form
    69,857,851.91/104,670,936.54 = 42,481,333.08/x
  3. Step 3: Cross multiply
    69,857,851.91x = 104,670,936.54 × 42,481,333.08
  4. Step 4: Simplify right side
    69,857,851.91x = 4,446,560,918,951,283
  5. Step 5: Solve for x
    x = 4,446,560,918,951,283/69,857,851.91
  6. Step 6: Final answer
    x = 63,651,555.23

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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.