Home / 43,492,215.80-65,288,090.10-25,551,428.60

Finding the Fourth Proportional to 43,492,215.80, 65,288,090.10 and 25,551,428.60

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Solution

The fourth proportional to 43,492,215.80, 65,288,090.10 and 25,551,428.60 is: 38,356,380.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,492,215.80 : 65,288,090.10 = 25,551,428.60 : x
  2. Step 2: Convert to fraction form
    43,492,215.80/65,288,090.10 = 25,551,428.60/x
  3. Step 3: Cross multiply
    43,492,215.80x = 65,288,090.10 × 25,551,428.60
  4. Step 4: Simplify right side
    43,492,215.80x = 1,668,203,972,620,517
  5. Step 5: Solve for x
    x = 1,668,203,972,620,517/43,492,215.80
  6. Step 6: Final answer
    x = 38,356,380.38

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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.