Home / 87,054,054.72-130,382,560.80-41,647,968.96

Finding the Fourth Proportional to 87,054,054.72, 130,382,560.80 and 41,647,968.96

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Solution

The fourth proportional to 87,054,054.72, 130,382,560.80 and 41,647,968.96 is: 62,376,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,054,054.72 : 130,382,560.80 = 41,647,968.96 : x
  2. Step 2: Convert to fraction form
    87,054,054.72/130,382,560.80 = 41,647,968.96/x
  3. Step 3: Cross multiply
    87,054,054.72x = 130,382,560.80 × 41,647,968.96
  4. Step 4: Simplify right side
    87,054,054.72x = 5,430,168,845,123,713
  5. Step 5: Solve for x
    x = 5,430,168,845,123,713/87,054,054.72
  6. Step 6: Final answer
    x = 62,376,977.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.