Home / 103,958,816.62-143,464,300.68-57,549,845.56

Finding the Fourth Proportional to 103,958,816.62, 143,464,300.68 and 57,549,845.56

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Solution

The fourth proportional to 103,958,816.62, 143,464,300.68 and 57,549,845.56 is: 79,419,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,958,816.62 : 143,464,300.68 = 57,549,845.56 : x
  2. Step 2: Convert to fraction form
    103,958,816.62/143,464,300.68 = 57,549,845.56/x
  3. Step 3: Cross multiply
    103,958,816.62x = 143,464,300.68 × 57,549,845.56
  4. Step 4: Simplify right side
    103,958,816.62x = 8,256,348,347,686,734
  5. Step 5: Solve for x
    x = 8,256,348,347,686,734/103,958,816.62
  6. Step 6: Final answer
    x = 79,419,414.50

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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.