Home / 40,650,170.80-56,019,709.84-39,903,004.12

Finding the Fourth Proportional to 40,650,170.80, 56,019,709.84 and 39,903,004.12

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Solution

The fourth proportional to 40,650,170.80, 56,019,709.84 and 39,903,004.12 is: 54,990,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,650,170.80 : 56,019,709.84 = 39,903,004.12 : x
  2. Step 2: Convert to fraction form
    40,650,170.80/56,019,709.84 = 39,903,004.12/x
  3. Step 3: Cross multiply
    40,650,170.80x = 56,019,709.84 × 39,903,004.12
  4. Step 4: Simplify right side
    40,650,170.80x = 2,235,354,712,546,724.50
  5. Step 5: Solve for x
    x = 2,235,354,712,546,724.50/40,650,170.80
  6. Step 6: Final answer
    x = 54,990,044.78

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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.