Home / 76,227,691.78-105,194,880.18-41,420,381.38

Finding the Fourth Proportional to 76,227,691.78, 105,194,880.18 and 41,420,381.38

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Solution

The fourth proportional to 76,227,691.78, 105,194,880.18 and 41,420,381.38 is: 57,160,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,227,691.78 : 105,194,880.18 = 41,420,381.38 : x
  2. Step 2: Convert to fraction form
    76,227,691.78/105,194,880.18 = 41,420,381.38/x
  3. Step 3: Cross multiply
    76,227,691.78x = 105,194,880.18 × 41,420,381.38
  4. Step 4: Simplify right side
    76,227,691.78x = 4,357,212,056,279,003.50
  5. Step 5: Solve for x
    x = 4,357,212,056,279,003.50/76,227,691.78
  6. Step 6: Final answer
    x = 57,160,487.93

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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.