Home / 274,544,143.20-378,925,908.65-163,096,896.66

Finding the Fourth Proportional to 274,544,143.20, 378,925,908.65 and 163,096,896.66

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Solution

The fourth proportional to 274,544,143.20, 378,925,908.65 and 163,096,896.66 is: 225,106,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,544,143.20 : 378,925,908.65 = 163,096,896.66 : x
  2. Step 2: Convert to fraction form
    274,544,143.20/378,925,908.65 = 163,096,896.66/x
  3. Step 3: Cross multiply
    274,544,143.20x = 378,925,908.65 × 163,096,896.66
  4. Step 4: Simplify right side
    274,544,143.20x = 61,801,639,764,548,496
  5. Step 5: Solve for x
    x = 61,801,639,764,548,496/274,544,143.20
  6. Step 6: Final answer
    x = 225,106,385.60

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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.