Home / 194,121,187.22-291,187,759.55-84,890,132.69

Finding the Fourth Proportional to 194,121,187.22, 291,187,759.55 and 84,890,132.69

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Solution

The fourth proportional to 194,121,187.22, 291,187,759.55 and 84,890,132.69 is: 127,337,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,121,187.22 : 291,187,759.55 = 84,890,132.69 : x
  2. Step 2: Convert to fraction form
    194,121,187.22/291,187,759.55 = 84,890,132.69/x
  3. Step 3: Cross multiply
    194,121,187.22x = 291,187,759.55 × 84,890,132.69
  4. Step 4: Simplify right side
    194,121,187.22x = 24,718,967,544,022,928
  5. Step 5: Solve for x
    x = 24,718,967,544,022,928/194,121,187.22
  6. Step 6: Final answer
    x = 127,337,813.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.