Home / 199,304,553.40-298,956,830.10-91,809,129.40

Finding the Fourth Proportional to 199,304,553.40, 298,956,830.10 and 91,809,129.40

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Solution

The fourth proportional to 199,304,553.40, 298,956,830.10 and 91,809,129.40 is: 137,713,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,304,553.40 : 298,956,830.10 = 91,809,129.40 : x
  2. Step 2: Convert to fraction form
    199,304,553.40/298,956,830.10 = 91,809,129.40/x
  3. Step 3: Cross multiply
    199,304,553.40x = 298,956,830.10 × 91,809,129.40
  4. Step 4: Simplify right side
    199,304,553.40x = 27,446,966,299,664,720
  5. Step 5: Solve for x
    x = 27,446,966,299,664,720/199,304,553.40
  6. Step 6: Final answer
    x = 137,713,694.10

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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.