Home / 76,765,679.24-105,936,380.16-41,958,349.52

Finding the Fourth Proportional to 76,765,679.24, 105,936,380.16 and 41,958,349.52

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Solution

The fourth proportional to 76,765,679.24, 105,936,380.16 and 41,958,349.52 is: 57,902,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,765,679.24 : 105,936,380.16 = 41,958,349.52 : x
  2. Step 2: Convert to fraction form
    76,765,679.24/105,936,380.16 = 41,958,349.52/x
  3. Step 3: Cross multiply
    76,765,679.24x = 105,936,380.16 × 41,958,349.52
  4. Step 4: Simplify right side
    76,765,679.24x = 4,444,915,665,636,873.50
  5. Step 5: Solve for x
    x = 4,444,915,665,636,873.50/76,765,679.24
  6. Step 6: Final answer
    x = 57,902,381.76

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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.