Home / 133,073,295.80-199,311,345.30-109,185,423.80

Finding the Fourth Proportional to 133,073,295.80, 199,311,345.30 and 109,185,423.80

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Solution

The fourth proportional to 133,073,295.80, 199,311,345.30 and 109,185,423.80 is: 163,533,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073,295.80 : 199,311,345.30 = 109,185,423.80 : x
  2. Step 2: Convert to fraction form
    133,073,295.80/199,311,345.30 = 109,185,423.80/x
  3. Step 3: Cross multiply
    133,073,295.80x = 199,311,345.30 × 109,185,423.80
  4. Step 4: Simplify right side
    133,073,295.80x = 21,761,893,704,728,640
  5. Step 5: Solve for x
    x = 21,761,893,704,728,640/133,073,295.80
  6. Step 6: Final answer
    x = 163,533,138.44

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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.