Home / 104,965,903.80-157,448,855.70-66,796,630.20

Finding the Fourth Proportional to 104,965,903.80, 157,448,855.70 and 66,796,630.20

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Solution

The fourth proportional to 104,965,903.80, 157,448,855.70 and 66,796,630.20 is: 100,194,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,965,903.80 : 157,448,855.70 = 66,796,630.20 : x
  2. Step 2: Convert to fraction form
    104,965,903.80/157,448,855.70 = 66,796,630.20/x
  3. Step 3: Cross multiply
    104,965,903.80x = 157,448,855.70 × 66,796,630.20
  4. Step 4: Simplify right side
    104,965,903.80x = 10,517,052,989,606,062
  5. Step 5: Solve for x
    x = 10,517,052,989,606,062/104,965,903.80
  6. Step 6: Final answer
    x = 100,194,945.30

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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.