Home / 82,633,069.80-123,996,843.90-31,551,748.20

Finding the Fourth Proportional to 82,633,069.80, 123,996,843.90 and 31,551,748.20

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Solution

The fourth proportional to 82,633,069.80, 123,996,843.90 and 31,551,748.20 is: 47,345,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,633,069.80 : 123,996,843.90 = 31,551,748.20 : x
  2. Step 2: Convert to fraction form
    82,633,069.80/123,996,843.90 = 31,551,748.20/x
  3. Step 3: Cross multiply
    82,633,069.80x = 123,996,843.90 × 31,551,748.20
  4. Step 4: Simplify right side
    82,633,069.80x = 3,912,317,196,327,506
  5. Step 5: Solve for x
    x = 3,912,317,196,327,506/82,633,069.80
  6. Step 6: Final answer
    x = 47,345,659.62

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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.