Home / 51,915,751,553.80-77,871,287,218.94-21,650,427,523.72

Finding the Fourth Proportional to 51,915,751,553.80, 77,871,287,218.94 and 21,650,427,523.72

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Solution

The fourth proportional to 51,915,751,553.80, 77,871,287,218.94 and 21,650,427,523.72 is: 32,474,665,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,915,751,553.80 : 77,871,287,218.94 = 21,650,427,523.72 : x
  2. Step 2: Convert to fraction form
    51,915,751,553.80/77,871,287,218.94 = 21,650,427,523.72/x
  3. Step 3: Cross multiply
    51,915,751,553.80x = 77,871,287,218.94 × 21,650,427,523.72
  4. Step 4: Simplify right side
    51,915,751,553.80x = 1,685,946,660,112,444,162,048
  5. Step 5: Solve for x
    x = 1,685,946,660,112,444,162,048/51,915,751,553.80
  6. Step 6: Final answer
    x = 32,474,665,388.70

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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.