Home / 82,191,249.40-113,419,893.50-45,021,694.54

Finding the Fourth Proportional to 82,191,249.40, 113,419,893.50 and 45,021,694.54

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Solution

The fourth proportional to 82,191,249.40, 113,419,893.50 and 45,021,694.54 is: 62,127,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,191,249.40 : 113,419,893.50 = 45,021,694.54 : x
  2. Step 2: Convert to fraction form
    82,191,249.40/113,419,893.50 = 45,021,694.54/x
  3. Step 3: Cross multiply
    82,191,249.40x = 113,419,893.50 × 45,021,694.54
  4. Step 4: Simplify right side
    82,191,249.40x = 5,106,355,799,916,331
  5. Step 5: Solve for x
    x = 5,106,355,799,916,331/82,191,249.40
  6. Step 6: Final answer
    x = 62,127,730.59

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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.