Home / 51,664,419.96-77,496,630.05-21,372,282.96

Finding the Fourth Proportional to 51,664,419.96, 77,496,630.05 and 21,372,282.96

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Solution

The fourth proportional to 51,664,419.96, 77,496,630.05 and 21,372,282.96 is: 32,058,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,664,419.96 : 77,496,630.05 = 21,372,282.96 : x
  2. Step 2: Convert to fraction form
    51,664,419.96/77,496,630.05 = 21,372,282.96/x
  3. Step 3: Cross multiply
    51,664,419.96x = 77,496,630.05 × 21,372,282.96
  4. Step 4: Simplify right side
    51,664,419.96x = 1,656,279,905,928,469.50
  5. Step 5: Solve for x
    x = 1,656,279,905,928,469.50/51,664,419.96
  6. Step 6: Final answer
    x = 32,058,424.49

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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.