Home / 199,304,429.40-298,956,644.10-91,809,005.40

Finding the Fourth Proportional to 199,304,429.40, 298,956,644.10 and 91,809,005.40

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Solution

The fourth proportional to 199,304,429.40, 298,956,644.10 and 91,809,005.40 is: 137,713,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,304,429.40 : 298,956,644.10 = 91,809,005.40 : x
  2. Step 2: Convert to fraction form
    199,304,429.40/298,956,644.10 = 91,809,005.40/x
  3. Step 3: Cross multiply
    199,304,429.40x = 298,956,644.10 × 91,809,005.40
  4. Step 4: Simplify right side
    199,304,429.40x = 27,446,912,152,542,784
  5. Step 5: Solve for x
    x = 27,446,912,152,542,784/199,304,429.40
  6. Step 6: Final answer
    x = 137,713,508.10

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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.