Home / 30,061,350.72-45,100,161.72-21,436,347.60

Finding the Fourth Proportional to 30,061,350.72, 45,100,161.72 and 21,436,347.60

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Solution

The fourth proportional to 30,061,350.72, 45,100,161.72 and 21,436,347.60 is: 32,160,322.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,061,350.72 : 45,100,161.72 = 21,436,347.60 : x
  2. Step 2: Convert to fraction form
    30,061,350.72/45,100,161.72 = 21,436,347.60/x
  3. Step 3: Cross multiply
    30,061,350.72x = 45,100,161.72 × 21,436,347.60
  4. Step 4: Simplify right side
    30,061,350.72x = 966,782,743,446,133.88
  5. Step 5: Solve for x
    x = 966,782,743,446,133.88/30,061,350.72
  6. Step 6: Final answer
    x = 32,160,322.82

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