Home / 51,118,993.82-76,621,692.51-38,948,331.53

Finding the Fourth Proportional to 51,118,993.82, 76,621,692.51 and 38,948,331.53

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Solution

The fourth proportional to 51,118,993.82, 76,621,692.51 and 38,948,331.53 is: 58,379,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118,993.82 : 76,621,692.51 = 38,948,331.53 : x
  2. Step 2: Convert to fraction form
    51,118,993.82/76,621,692.51 = 38,948,331.53/x
  3. Step 3: Cross multiply
    51,118,993.82x = 76,621,692.51 × 38,948,331.53
  4. Step 4: Simplify right side
    51,118,993.82x = 2,984,287,081,886,089.50
  5. Step 5: Solve for x
    x = 2,984,287,081,886,089.50/51,118,993.82
  6. Step 6: Final answer
    x = 58,379,221.87

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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.