Home / 193,536,006.20-290,304,009.30-72,351,711.80

Finding the Fourth Proportional to 193,536,006.20, 290,304,009.30 and 72,351,711.80

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Solution

The fourth proportional to 193,536,006.20, 290,304,009.30 and 72,351,711.80 is: 108,527,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,536,006.20 : 290,304,009.30 = 72,351,711.80 : x
  2. Step 2: Convert to fraction form
    193,536,006.20/290,304,009.30 = 72,351,711.80/x
  3. Step 3: Cross multiply
    193,536,006.20x = 290,304,009.30 × 72,351,711.80
  4. Step 4: Simplify right side
    193,536,006.20x = 21,003,992,015,258,120
  5. Step 5: Solve for x
    x = 21,003,992,015,258,120/193,536,006.20
  6. Step 6: Final answer
    x = 108,527,567.70

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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.