Home / 52,489,343.80-78,734,015.70-45,183,014.20

Finding the Fourth Proportional to 52,489,343.80, 78,734,015.70 and 45,183,014.20

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Solution

The fourth proportional to 52,489,343.80, 78,734,015.70 and 45,183,014.20 is: 67,774,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489,343.80 : 78,734,015.70 = 45,183,014.20 : x
  2. Step 2: Convert to fraction form
    52,489,343.80/78,734,015.70 = 45,183,014.20/x
  3. Step 3: Cross multiply
    52,489,343.80x = 78,734,015.70 × 45,183,014.20
  4. Step 4: Simplify right side
    52,489,343.80x = 3,557,440,149,396,123.50
  5. Step 5: Solve for x
    x = 3,557,440,149,396,123.50/52,489,343.80
  6. Step 6: Final answer
    x = 67,774,521.30

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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.