Home / 160,665,209.28-221,824,761.84-123,429,172.32

Finding the Fourth Proportional to 160,665,209.28, 221,824,761.84 and 123,429,172.32

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Solution

The fourth proportional to 160,665,209.28, 221,824,761.84 and 123,429,172.32 is: 170,414,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,665,209.28 : 221,824,761.84 = 123,429,172.32 : x
  2. Step 2: Convert to fraction form
    160,665,209.28/221,824,761.84 = 123,429,172.32/x
  3. Step 3: Cross multiply
    160,665,209.28x = 221,824,761.84 × 123,429,172.32
  4. Step 4: Simplify right side
    160,665,209.28x = 27,379,646,753,992,320
  5. Step 5: Solve for x
    x = 27,379,646,753,992,320/160,665,209.28
  6. Step 6: Final answer
    x = 170,414,284.94

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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.