Home / 106,513,855.40-159,770,783.10-54,857,790.20

Finding the Fourth Proportional to 106,513,855.40, 159,770,783.10 and 54,857,790.20

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Solution

The fourth proportional to 106,513,855.40, 159,770,783.10 and 54,857,790.20 is: 82,286,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,513,855.40 : 159,770,783.10 = 54,857,790.20 : x
  2. Step 2: Convert to fraction form
    106,513,855.40/159,770,783.10 = 54,857,790.20/x
  3. Step 3: Cross multiply
    106,513,855.40x = 159,770,783.10 × 54,857,790.20
  4. Step 4: Simplify right side
    106,513,855.40x = 8,764,672,099,389,506
  5. Step 5: Solve for x
    x = 8,764,672,099,389,506/106,513,855.40
  6. Step 6: Final answer
    x = 82,286,685.30

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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.