Home / 75,771,401.20-113,489,140.20-45,538,313.20

Finding the Fourth Proportional to 75,771,401.20, 113,489,140.20 and 45,538,313.20

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Solution

The fourth proportional to 75,771,401.20, 113,489,140.20 and 45,538,313.20 is: 68,206,525.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,771,401.20 : 113,489,140.20 = 45,538,313.20 : x
  2. Step 2: Convert to fraction form
    75,771,401.20/113,489,140.20 = 45,538,313.20/x
  3. Step 3: Cross multiply
    75,771,401.20x = 113,489,140.20 × 45,538,313.20
  4. Step 4: Simplify right side
    75,771,401.20x = 5,168,104,011,226,311
  5. Step 5: Solve for x
    x = 5,168,104,011,226,311/75,771,401.20
  6. Step 6: Final answer
    x = 68,206,525.54

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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.