Home / 69,605,321.80-104,376,489.90-31,247,091.40

Finding the Fourth Proportional to 69,605,321.80, 104,376,489.90 and 31,247,091.40

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Solution

The fourth proportional to 69,605,321.80, 104,376,489.90 and 31,247,091.40 is: 46,856,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,605,321.80 : 104,376,489.90 = 31,247,091.40 : x
  2. Step 2: Convert to fraction form
    69,605,321.80/104,376,489.90 = 31,247,091.40/x
  3. Step 3: Cross multiply
    69,605,321.80x = 104,376,489.90 × 31,247,091.40
  4. Step 4: Simplify right side
    69,605,321.80x = 3,261,461,719,916,477
  5. Step 5: Solve for x
    x = 3,261,461,719,916,477/69,605,321.80
  6. Step 6: Final answer
    x = 46,856,499.41

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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.