Home / 131,040,019.10-196,560,028.65-40,151,798.30

Finding the Fourth Proportional to 131,040,019.10, 196,560,028.65 and 40,151,798.30

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Solution

The fourth proportional to 131,040,019.10, 196,560,028.65 and 40,151,798.30 is: 60,227,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,040,019.10 : 196,560,028.65 = 40,151,798.30 : x
  2. Step 2: Convert to fraction form
    131,040,019.10/196,560,028.65 = 40,151,798.30/x
  3. Step 3: Cross multiply
    131,040,019.10x = 196,560,028.65 × 40,151,798.30
  4. Step 4: Simplify right side
    131,040,019.10x = 7,892,238,624,197,021
  5. Step 5: Solve for x
    x = 7,892,238,624,197,021/131,040,019.10
  6. Step 6: Final answer
    x = 60,227,697.45

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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.