Home / 86,723,603.28-119,682,957.24-47,569,023.36

Finding the Fourth Proportional to 86,723,603.28, 119,682,957.24 and 47,569,023.36

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Solution

The fourth proportional to 86,723,603.28, 119,682,957.24 and 47,569,023.36 is: 65,647,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,723,603.28 : 119,682,957.24 = 47,569,023.36 : x
  2. Step 2: Convert to fraction form
    86,723,603.28/119,682,957.24 = 47,569,023.36/x
  3. Step 3: Cross multiply
    86,723,603.28x = 119,682,957.24 × 47,569,023.36
  4. Step 4: Simplify right side
    86,723,603.28x = 5,693,201,388,743,441
  5. Step 5: Solve for x
    x = 5,693,201,388,743,441/86,723,603.28
  6. Step 6: Final answer
    x = 65,647,657.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.