Home / 82,367,477.91-113,666,807.70-45,198,380.19

Finding the Fourth Proportional to 82,367,477.91, 113,666,807.70 and 45,198,380.19

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Solution

The fourth proportional to 82,367,477.91, 113,666,807.70 and 45,198,380.19 is: 62,373,593.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,367,477.91 : 113,666,807.70 = 45,198,380.19 : x
  2. Step 2: Convert to fraction form
    82,367,477.91/113,666,807.70 = 45,198,380.19/x
  3. Step 3: Cross multiply
    82,367,477.91x = 113,666,807.70 × 45,198,380.19
  4. Step 4: Simplify right side
    82,367,477.91x = 5,137,555,589,408,219
  5. Step 5: Solve for x
    x = 5,137,555,589,408,219/82,367,477.91
  6. Step 6: Final answer
    x = 62,373,593.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.