Home / 66,465,502.56-99,706,213.44-20,401,338.24

Finding the Fourth Proportional to 66,465,502.56, 99,706,213.44 and 20,401,338.24

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Solution

The fourth proportional to 66,465,502.56, 99,706,213.44 and 20,401,338.24 is: 30,604,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,465,502.56 : 99,706,213.44 = 20,401,338.24 : x
  2. Step 2: Convert to fraction form
    66,465,502.56/99,706,213.44 = 20,401,338.24/x
  3. Step 3: Cross multiply
    66,465,502.56x = 99,706,213.44 × 20,401,338.24
  4. Step 4: Simplify right side
    66,465,502.56x = 2,034,140,185,019,073.75
  5. Step 5: Solve for x
    x = 2,034,140,185,019,073.75/66,465,502.56
  6. Step 6: Final answer
    x = 30,604,450.53

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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.