Home / 160,715,721.80-221,834,896.98-104,969,664.44

Finding the Fourth Proportional to 160,715,721.80, 221,834,896.98 and 104,969,664.44

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Solution

The fourth proportional to 160,715,721.80, 221,834,896.98 and 104,969,664.44 is: 144,888,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,715,721.80 : 221,834,896.98 = 104,969,664.44 : x
  2. Step 2: Convert to fraction form
    160,715,721.80/221,834,896.98 = 104,969,664.44/x
  3. Step 3: Cross multiply
    160,715,721.80x = 221,834,896.98 × 104,969,664.44
  4. Step 4: Simplify right side
    160,715,721.80x = 23,285,934,697,072,568
  5. Step 5: Solve for x
    x = 23,285,934,697,072,568/160,715,721.80
  6. Step 6: Final answer
    x = 144,888,965.66

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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.