Home / 199,304,493.40-298,956,740.10-91,809,069.40

Finding the Fourth Proportional to 199,304,493.40, 298,956,740.10 and 91,809,069.40

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Solution

The fourth proportional to 199,304,493.40, 298,956,740.10 and 91,809,069.40 is: 137,713,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,304,493.40 : 298,956,740.10 = 91,809,069.40 : x
  2. Step 2: Convert to fraction form
    199,304,493.40/298,956,740.10 = 91,809,069.40/x
  3. Step 3: Cross multiply
    199,304,493.40x = 298,956,740.10 × 91,809,069.40
  4. Step 4: Simplify right side
    199,304,493.40x = 27,446,940,099,438,668
  5. Step 5: Solve for x
    x = 27,446,940,099,438,668/199,304,493.40
  6. Step 6: Final answer
    x = 137,713,604.10

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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.