Home / 76,702,531.68-105,848,794.97-41,895,212.89

Finding the Fourth Proportional to 76,702,531.68, 105,848,794.97 and 41,895,212.89

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Solution

The fourth proportional to 76,702,531.68, 105,848,794.97 and 41,895,212.89 is: 57,815,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,702,531.68 : 105,848,794.97 = 41,895,212.89 : x
  2. Step 2: Convert to fraction form
    76,702,531.68/105,848,794.97 = 41,895,212.89/x
  3. Step 3: Cross multiply
    76,702,531.68x = 105,848,794.97 × 41,895,212.89
  4. Step 4: Simplify right side
    76,702,531.68x = 4,434,557,799,208,635.50
  5. Step 5: Solve for x
    x = 4,434,557,799,208,635.50/76,702,531.68
  6. Step 6: Final answer
    x = 57,815,012.13

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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.