Home / 69,593,790.90-104,364,114.30-21,055,512.90

Finding the Fourth Proportional to 69,593,790.90, 104,364,114.30 and 21,055,512.90

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Solution

The fourth proportional to 69,593,790.90, 104,364,114.30 and 21,055,512.90 is: 31,575,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,593,790.90 : 104,364,114.30 = 21,055,512.90 : x
  2. Step 2: Convert to fraction form
    69,593,790.90/104,364,114.30 = 21,055,512.90/x
  3. Step 3: Cross multiply
    69,593,790.90x = 104,364,114.30 × 21,055,512.90
  4. Step 4: Simplify right side
    69,593,790.90x = 2,197,439,954,940,724.25
  5. Step 5: Solve for x
    x = 2,197,439,954,940,724.25/69,593,790.90
  6. Step 6: Final answer
    x = 31,575,230.01

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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.