Home / 77,898,879.12-107,491,086.40-44,869,870.56

Finding the Fourth Proportional to 77,898,879.12, 107,491,086.40 and 44,869,870.56

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Solution

The fourth proportional to 77,898,879.12, 107,491,086.40 and 44,869,870.56 is: 61,915,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,898,879.12 : 107,491,086.40 = 44,869,870.56 : x
  2. Step 2: Convert to fraction form
    77,898,879.12/107,491,086.40 = 44,869,870.56/x
  3. Step 3: Cross multiply
    77,898,879.12x = 107,491,086.40 × 44,869,870.56
  4. Step 4: Simplify right side
    77,898,879.12x = 4,823,111,133,121,777
  5. Step 5: Solve for x
    x = 4,823,111,133,121,777/77,898,879.12
  6. Step 6: Final answer
    x = 61,915,026.09

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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.