Home / 105,040,343.20-157,182,601.20-71,028,119.20

Finding the Fourth Proportional to 105,040,343.20, 157,182,601.20 and 71,028,119.20

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Solution

The fourth proportional to 105,040,343.20, 157,182,601.20 and 71,028,119.20 is: 106,286,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,040,343.20 : 157,182,601.20 = 71,028,119.20 : x
  2. Step 2: Convert to fraction form
    105,040,343.20/157,182,601.20 = 71,028,119.20/x
  3. Step 3: Cross multiply
    105,040,343.20x = 157,182,601.20 × 71,028,119.20
  4. Step 4: Simplify right side
    105,040,343.20x = 11,164,384,534,199,662
  5. Step 5: Solve for x
    x = 11,164,384,534,199,662/105,040,343.20
  6. Step 6: Final answer
    x = 106,286,634.20

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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.