Home / 161,753,245.60-242,629,868.40-52,578,205.60

Finding the Fourth Proportional to 161,753,245.60, 242,629,868.40 and 52,578,205.60

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Solution

The fourth proportional to 161,753,245.60, 242,629,868.40 and 52,578,205.60 is: 78,867,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,753,245.60 : 242,629,868.40 = 52,578,205.60 : x
  2. Step 2: Convert to fraction form
    161,753,245.60/242,629,868.40 = 52,578,205.60/x
  3. Step 3: Cross multiply
    161,753,245.60x = 242,629,868.40 × 52,578,205.60
  4. Step 4: Simplify right side
    161,753,245.60x = 12,757,043,105,436,144
  5. Step 5: Solve for x
    x = 12,757,043,105,436,144/161,753,245.60
  6. Step 6: Final answer
    x = 78,867,308.40

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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.