Home / 72,773,731.64-100,436,556.98-41,419,404.36

Finding the Fourth Proportional to 72,773,731.64, 100,436,556.98 and 41,419,404.36

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Solution

The fourth proportional to 72,773,731.64, 100,436,556.98 and 41,419,404.36 is: 57,163,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,773,731.64 : 100,436,556.98 = 41,419,404.36 : x
  2. Step 2: Convert to fraction form
    72,773,731.64/100,436,556.98 = 41,419,404.36/x
  3. Step 3: Cross multiply
    72,773,731.64x = 100,436,556.98 × 41,419,404.36
  4. Step 4: Simplify right side
    72,773,731.64x = 4,160,022,366,080,800.50
  5. Step 5: Solve for x
    x = 4,160,022,366,080,800.50/72,773,731.64
  6. Step 6: Final answer
    x = 57,163,790.73

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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.