Home / 323,795,917.36-485,727,900.29-105,463,260.46

Finding the Fourth Proportional to 323,795,917.36, 485,727,900.29 and 105,463,260.46

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Solution

The fourth proportional to 323,795,917.36, 485,727,900.29 and 105,463,260.46 is: 158,205,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,795,917.36 : 485,727,900.29 = 105,463,260.46 : x
  2. Step 2: Convert to fraction form
    323,795,917.36/485,727,900.29 = 105,463,260.46/x
  3. Step 3: Cross multiply
    323,795,917.36x = 485,727,900.29 × 105,463,260.46
  4. Step 4: Simplify right side
    323,795,917.36x = 51,226,448,058,017,224
  5. Step 5: Solve for x
    x = 51,226,448,058,017,224/323,795,917.36
  6. Step 6: Final answer
    x = 158,205,972.69

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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.