Home / 199,304,552.40-298,956,828.60-91,809,128.40

Finding the Fourth Proportional to 199,304,552.40, 298,956,828.60 and 91,809,128.40

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Solution

The fourth proportional to 199,304,552.40, 298,956,828.60 and 91,809,128.40 is: 137,713,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,304,552.40 : 298,956,828.60 = 91,809,128.40 : x
  2. Step 2: Convert to fraction form
    199,304,552.40/298,956,828.60 = 91,809,128.40/x
  3. Step 3: Cross multiply
    199,304,552.40x = 298,956,828.60 × 91,809,128.40
  4. Step 4: Simplify right side
    199,304,552.40x = 27,446,965,862,994,196
  5. Step 5: Solve for x
    x = 27,446,965,862,994,196/199,304,552.40
  6. Step 6: Final answer
    x = 137,713,692.60

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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.