Home / 77,579,523.93-107,161,937.38-57,503,221.01

Finding the Fourth Proportional to 77,579,523.93, 107,161,937.38 and 57,503,221.01

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Solution

The fourth proportional to 77,579,523.93, 107,161,937.38 and 57,503,221.01 is: 79,430,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,579,523.93 : 107,161,937.38 = 57,503,221.01 : x
  2. Step 2: Convert to fraction form
    77,579,523.93/107,161,937.38 = 57,503,221.01/x
  3. Step 3: Cross multiply
    77,579,523.93x = 107,161,937.38 × 57,503,221.01
  4. Step 4: Simplify right side
    77,579,523.93x = 6,162,156,568,959,847
  5. Step 5: Solve for x
    x = 6,162,156,568,959,847/77,579,523.93
  6. Step 6: Final answer
    x = 79,430,193.14

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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.