Home / 82,633,102.30-123,996,892.65-31,551,780.70

Finding the Fourth Proportional to 82,633,102.30, 123,996,892.65 and 31,551,780.70

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Solution

The fourth proportional to 82,633,102.30, 123,996,892.65 and 31,551,780.70 is: 47,345,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,633,102.30 : 123,996,892.65 = 31,551,780.70 : x
  2. Step 2: Convert to fraction form
    82,633,102.30/123,996,892.65 = 31,551,780.70/x
  3. Step 3: Cross multiply
    82,633,102.30x = 123,996,892.65 × 31,551,780.70
  4. Step 4: Simplify right side
    82,633,102.30x = 3,912,322,764,374,242
  5. Step 5: Solve for x
    x = 3,912,322,764,374,242/82,633,102.30
  6. Step 6: Final answer
    x = 47,345,708.38

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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.