Home / 253,662,823.56-380,355,765.43-76,374,105.96

Finding the Fourth Proportional to 253,662,823.56, 380,355,765.43 and 76,374,105.96

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Solution

The fourth proportional to 253,662,823.56, 380,355,765.43 and 76,374,105.96 is: 114,519,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,662,823.56 : 380,355,765.43 = 76,374,105.96 : x
  2. Step 2: Convert to fraction form
    253,662,823.56/380,355,765.43 = 76,374,105.96/x
  3. Step 3: Cross multiply
    253,662,823.56x = 380,355,765.43 × 76,374,105.96
  4. Step 4: Simplify right side
    253,662,823.56x = 29,049,331,531,447,724
  5. Step 5: Solve for x
    x = 29,049,331,531,447,724/253,662,823.56
  6. Step 6: Final answer
    x = 114,519,467.71

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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.