Home / 103,981,589.76-143,499,076.74-57,571,842.36

Finding the Fourth Proportional to 103,981,589.76, 143,499,076.74 and 57,571,842.36

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Solution

The fourth proportional to 103,981,589.76, 143,499,076.74 and 57,571,842.36 is: 79,451,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,981,589.76 : 143,499,076.74 = 57,571,842.36 : x
  2. Step 2: Convert to fraction form
    103,981,589.76/143,499,076.74 = 57,571,842.36/x
  3. Step 3: Cross multiply
    103,981,589.76x = 143,499,076.74 × 57,571,842.36
  4. Step 4: Simplify right side
    103,981,589.76x = 8,261,506,224,880,823
  5. Step 5: Solve for x
    x = 8,261,506,224,880,823/103,981,589.76
  6. Step 6: Final answer
    x = 79,451,624.50

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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.