Home / 69,957,366.72-104,932,264.92-21,435,361.02

Finding the Fourth Proportional to 69,957,366.72, 104,932,264.92 and 21,435,361.02

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Solution

The fourth proportional to 69,957,366.72, 104,932,264.92 and 21,435,361.02 is: 32,151,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,957,366.72 : 104,932,264.92 = 21,435,361.02 : x
  2. Step 2: Convert to fraction form
    69,957,366.72/104,932,264.92 = 21,435,361.02/x
  3. Step 3: Cross multiply
    69,957,366.72x = 104,932,264.92 × 21,435,361.02
  4. Step 4: Simplify right side
    69,957,366.72x = 2,249,260,981,206,481.50
  5. Step 5: Solve for x
    x = 2,249,260,981,206,481.50/69,957,366.72
  6. Step 6: Final answer
    x = 32,151,881.73

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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.