Home / 76,379,933.27-105,413,283.27-42,894,915.38

Finding the Fourth Proportional to 76,379,933.27, 105,413,283.27 and 42,894,915.38

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Solution

The fourth proportional to 76,379,933.27, 105,413,283.27 and 42,894,915.38 is: 59,200,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,379,933.27 : 105,413,283.27 = 42,894,915.38 : x
  2. Step 2: Convert to fraction form
    76,379,933.27/105,413,283.27 = 42,894,915.38/x
  3. Step 3: Cross multiply
    76,379,933.27x = 105,413,283.27 × 42,894,915.38
  4. Step 4: Simplify right side
    76,379,933.27x = 4,521,693,865,794,620
  5. Step 5: Solve for x
    x = 4,521,693,865,794,620/76,379,933.27
  6. Step 6: Final answer
    x = 59,200,023.78

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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.