Home / 90,453,236.32-135,675,364.25-29,045,401.30

Finding the Fourth Proportional to 90,453,236.32, 135,675,364.25 and 29,045,401.30

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Solution

The fourth proportional to 90,453,236.32, 135,675,364.25 and 29,045,401.30 is: 43,566,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,453,236.32 : 135,675,364.25 = 29,045,401.30 : x
  2. Step 2: Convert to fraction form
    90,453,236.32/135,675,364.25 = 29,045,401.30/x
  3. Step 3: Cross multiply
    90,453,236.32x = 135,675,364.25 × 29,045,401.30
  4. Step 4: Simplify right side
    90,453,236.32x = 3,940,745,401,243,606
  5. Step 5: Solve for x
    x = 3,940,745,401,243,606/90,453,236.32
  6. Step 6: Final answer
    x = 43,566,660.09

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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.