Home / 40,034,149.24-55,247,207.36-21,699,447.16

Finding the Fourth Proportional to 40,034,149.24, 55,247,207.36 and 21,699,447.16

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Solution

The fourth proportional to 40,034,149.24, 55,247,207.36 and 21,699,447.16 is: 29,945,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,034,149.24 : 55,247,207.36 = 21,699,447.16 : x
  2. Step 2: Convert to fraction form
    40,034,149.24/55,247,207.36 = 21,699,447.16/x
  3. Step 3: Cross multiply
    40,034,149.24x = 55,247,207.36 × 21,699,447.16
  4. Step 4: Simplify right side
    40,034,149.24x = 1,198,833,856,845,883
  5. Step 5: Solve for x
    x = 1,198,833,856,845,883/40,034,149.24
  6. Step 6: Final answer
    x = 29,945,281.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.