Home / 107,661,163.20-161,529,069.60-47,120,337.60

Finding the Fourth Proportional to 107,661,163.20, 161,529,069.60 and 47,120,337.60

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Solution

The fourth proportional to 107,661,163.20, 161,529,069.60 and 47,120,337.60 is: 70,696,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,661,163.20 : 161,529,069.60 = 47,120,337.60 : x
  2. Step 2: Convert to fraction form
    107,661,163.20/161,529,069.60 = 47,120,337.60/x
  3. Step 3: Cross multiply
    107,661,163.20x = 161,529,069.60 × 47,120,337.60
  4. Step 4: Simplify right side
    107,661,163.20x = 7,611,304,291,765,897
  5. Step 5: Solve for x
    x = 7,611,304,291,765,897/107,661,163.20
  6. Step 6: Final answer
    x = 70,696,842.44

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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.