Home / 85,993,022.25-129,045,026.68-31,401,037.13

Finding the Fourth Proportional to 85,993,022.25, 129,045,026.68 and 31,401,037.13

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Solution

The fourth proportional to 85,993,022.25, 129,045,026.68 and 31,401,037.13 is: 47,121,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,993,022.25 : 129,045,026.68 = 31,401,037.13 : x
  2. Step 2: Convert to fraction form
    85,993,022.25/129,045,026.68 = 31,401,037.13/x
  3. Step 3: Cross multiply
    85,993,022.25x = 129,045,026.68 × 31,401,037.13
  4. Step 4: Simplify right side
    85,993,022.25x = 4,052,147,673,496,792.50
  5. Step 5: Solve for x
    x = 4,052,147,673,496,792.50/85,993,022.25
  6. Step 6: Final answer
    x = 47,121,819.51

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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.