Home / 104,965,937.80-157,448,906.70-66,796,664.20

Finding the Fourth Proportional to 104,965,937.80, 157,448,906.70 and 66,796,664.20

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Solution

The fourth proportional to 104,965,937.80, 157,448,906.70 and 66,796,664.20 is: 100,194,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,965,937.80 : 157,448,906.70 = 66,796,664.20 : x
  2. Step 2: Convert to fraction form
    104,965,937.80/157,448,906.70 = 66,796,664.20/x
  3. Step 3: Cross multiply
    104,965,937.80x = 157,448,906.70 × 66,796,664.20
  4. Step 4: Simplify right side
    104,965,937.80x = 10,517,061,749,497,030
  5. Step 5: Solve for x
    x = 10,517,061,749,497,030/104,965,937.80
  6. Step 6: Final answer
    x = 100,194,996.30

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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.