Home / 186,385,809.40-279,662,694.90-89,304,004.60

Finding the Fourth Proportional to 186,385,809.40, 279,662,694.90 and 89,304,004.60

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Solution

The fourth proportional to 186,385,809.40, 279,662,694.90 and 89,304,004.60 is: 133,996,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,385,809.40 : 279,662,694.90 = 89,304,004.60 : x
  2. Step 2: Convert to fraction form
    186,385,809.40/279,662,694.90 = 89,304,004.60/x
  3. Step 3: Cross multiply
    186,385,809.40x = 279,662,694.90 × 89,304,004.60
  4. Step 4: Simplify right side
    186,385,809.40x = 24,974,998,591,797,992
  5. Step 5: Solve for x
    x = 24,974,998,591,797,992/186,385,809.40
  6. Step 6: Final answer
    x = 133,996,245.06

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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.