Home / 65,672,129-98,524,137.64-20,233,921.88

Finding the Fourth Proportional to 65,672,129, 98,524,137.64 and 20,233,921.88

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Solution

The fourth proportional to 65,672,129, 98,524,137.64 and 20,233,921.88 is: 30,355,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,672,129 : 98,524,137.64 = 20,233,921.88 : x
  2. Step 2: Convert to fraction form
    65,672,129/98,524,137.64 = 20,233,921.88/x
  3. Step 3: Cross multiply
    65,672,129x = 98,524,137.64 × 20,233,921.88
  4. Step 4: Simplify right side
    65,672,129x = 1,993,529,704,302,127.50
  5. Step 5: Solve for x
    x = 1,993,529,704,302,127.50/65,672,129
  6. Step 6: Final answer
    x = 30,355,795.29

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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.