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Finding the Fourth Proportional to 133,073,308.80, 199,311,364.80 and 109,185,436.80

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Solution

The fourth proportional to 133,073,308.80, 199,311,364.80 and 109,185,436.80 is: 163,533,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073,308.80 : 199,311,364.80 = 109,185,436.80 : x
  2. Step 2: Convert to fraction form
    133,073,308.80/199,311,364.80 = 109,185,436.80/x
  3. Step 3: Cross multiply
    133,073,308.80x = 199,311,364.80 × 109,185,436.80
  4. Step 4: Simplify right side
    133,073,308.80x = 21,761,898,424,892,144
  5. Step 5: Solve for x
    x = 21,761,898,424,892,144/133,073,308.80
  6. Step 6: Final answer
    x = 163,533,157.93

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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.