Home / 103,981,591.26-143,499,078.81-57,571,843.86

Finding the Fourth Proportional to 103,981,591.26, 143,499,078.81 and 57,571,843.86

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Solution

The fourth proportional to 103,981,591.26, 143,499,078.81 and 57,571,843.86 is: 79,451,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,981,591.26 : 143,499,078.81 = 57,571,843.86 : x
  2. Step 2: Convert to fraction form
    103,981,591.26/143,499,078.81 = 57,571,843.86/x
  3. Step 3: Cross multiply
    103,981,591.26x = 143,499,078.81 × 57,571,843.86
  4. Step 4: Simplify right side
    103,981,591.26x = 8,261,506,559,303,155
  5. Step 5: Solve for x
    x = 8,261,506,559,303,155/103,981,591.26
  6. Step 6: Final answer
    x = 79,451,626.57

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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.