Home / 90,089,446.06-135,144,797.91-67,513,832.38

Finding the Fourth Proportional to 90,089,446.06, 135,144,797.91 and 67,513,832.38

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Solution

The fourth proportional to 90,089,446.06, 135,144,797.91 and 67,513,832.38 is: 101,278,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,089,446.06 : 135,144,797.91 = 67,513,832.38 : x
  2. Step 2: Convert to fraction form
    90,089,446.06/135,144,797.91 = 67,513,832.38/x
  3. Step 3: Cross multiply
    90,089,446.06x = 135,144,797.91 × 67,513,832.38
  4. Step 4: Simplify right side
    90,089,446.06x = 9,124,143,233,124,714
  5. Step 5: Solve for x
    x = 9,124,143,233,124,714/90,089,446.06
  6. Step 6: Final answer
    x = 101,278,713.90

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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.