Home / 77,576,819.70-107,056,754.33-42,770,758.44

Finding the Fourth Proportional to 77,576,819.70, 107,056,754.33 and 42,770,758.44

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Solution

The fourth proportional to 77,576,819.70, 107,056,754.33 and 42,770,758.44 is: 59,024,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,576,819.70 : 107,056,754.33 = 42,770,758.44 : x
  2. Step 2: Convert to fraction form
    77,576,819.70/107,056,754.33 = 42,770,758.44/x
  3. Step 3: Cross multiply
    77,576,819.70x = 107,056,754.33 × 42,770,758.44
  4. Step 4: Simplify right side
    77,576,819.70x = 4,578,898,578,818,854
  5. Step 5: Solve for x
    x = 4,578,898,578,818,854/77,576,819.70
  6. Step 6: Final answer
    x = 59,024,056.37

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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.