Home / 168,381,606.60-252,784,986.30-90,720,361.80

Finding the Fourth Proportional to 168,381,606.60, 252,784,986.30 and 90,720,361.80

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Solution

The fourth proportional to 168,381,606.60, 252,784,986.30 and 90,720,361.80 is: 136,195,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,381,606.60 : 252,784,986.30 = 90,720,361.80 : x
  2. Step 2: Convert to fraction form
    168,381,606.60/252,784,986.30 = 90,720,361.80/x
  3. Step 3: Cross multiply
    168,381,606.60x = 252,784,986.30 × 90,720,361.80
  4. Step 4: Simplify right side
    168,381,606.60x = 22,932,745,414,744,044
  5. Step 5: Solve for x
    x = 22,932,745,414,744,044/168,381,606.60
  6. Step 6: Final answer
    x = 136,195,074.26

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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.