Home / 47,689,321.80-71,543,313.90-20,395,561.80

Finding the Fourth Proportional to 47,689,321.80, 71,543,313.90 and 20,395,561.80

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Solution

The fourth proportional to 47,689,321.80, 71,543,313.90 and 20,395,561.80 is: 30,597,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,689,321.80 : 71,543,313.90 = 20,395,561.80 : x
  2. Step 2: Convert to fraction form
    47,689,321.80/71,543,313.90 = 20,395,561.80/x
  3. Step 3: Cross multiply
    47,689,321.80x = 71,543,313.90 × 20,395,561.80
  4. Step 4: Simplify right side
    47,689,321.80x = 1,459,166,080,024,249.25
  5. Step 5: Solve for x
    x = 1,459,166,080,024,249.25/47,689,321.80
  6. Step 6: Final answer
    x = 30,597,333.43

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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.