Home / 189,324,963.20-283,987,444.80-168,917,628.80

Finding the Fourth Proportional to 189,324,963.20, 283,987,444.80 and 168,917,628.80

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Solution

The fourth proportional to 189,324,963.20, 283,987,444.80 and 168,917,628.80 is: 253,376,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,324,963.20 : 283,987,444.80 = 168,917,628.80 : x
  2. Step 2: Convert to fraction form
    189,324,963.20/283,987,444.80 = 168,917,628.80/x
  3. Step 3: Cross multiply
    189,324,963.20x = 283,987,444.80 × 168,917,628.80
  4. Step 4: Simplify right side
    189,324,963.20x = 47,970,485,784,586,896
  5. Step 5: Solve for x
    x = 47,970,485,784,586,896/189,324,963.20
  6. Step 6: Final answer
    x = 253,376,443.20

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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.