Home / 186,625,631.10-279,938,446.65-84,393,003.90

Finding the Fourth Proportional to 186,625,631.10, 279,938,446.65 and 84,393,003.90

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Solution

The fourth proportional to 186,625,631.10, 279,938,446.65 and 84,393,003.90 is: 126,589,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,625,631.10 : 279,938,446.65 = 84,393,003.90 : x
  2. Step 2: Convert to fraction form
    186,625,631.10/279,938,446.65 = 84,393,003.90/x
  3. Step 3: Cross multiply
    186,625,631.10x = 279,938,446.65 × 84,393,003.90
  4. Step 4: Simplify right side
    186,625,631.10x = 23,624,846,419,893,392
  5. Step 5: Solve for x
    x = 23,624,846,419,893,392/186,625,631.10
  6. Step 6: Final answer
    x = 126,589,505.85

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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.