Home / 131,057,287.49-196,470,775.41-53,399,493.36

Finding the Fourth Proportional to 131,057,287.49, 196,470,775.41 and 53,399,493.36

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Solution

The fourth proportional to 131,057,287.49, 196,470,775.41 and 53,399,493.36 is: 80,052,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,057,287.49 : 196,470,775.41 = 53,399,493.36 : x
  2. Step 2: Convert to fraction form
    131,057,287.49/196,470,775.41 = 53,399,493.36/x
  3. Step 3: Cross multiply
    131,057,287.49x = 196,470,775.41 × 53,399,493.36
  4. Step 4: Simplify right side
    131,057,287.49x = 10,491,439,866,940,346
  5. Step 5: Solve for x
    x = 10,491,439,866,940,346/131,057,287.49
  6. Step 6: Final answer
    x = 80,052,319.62

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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.