Home / 135,800,974.28-187,409,871.22-76,272,760.76

Finding the Fourth Proportional to 135,800,974.28, 187,409,871.22 and 76,272,760.76

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Solution

The fourth proportional to 135,800,974.28, 187,409,871.22 and 76,272,760.76 is: 105,258,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,800,974.28 : 187,409,871.22 = 76,272,760.76 : x
  2. Step 2: Convert to fraction form
    135,800,974.28/187,409,871.22 = 76,272,760.76/x
  3. Step 3: Cross multiply
    135,800,974.28x = 187,409,871.22 × 76,272,760.76
  4. Step 4: Simplify right side
    135,800,974.28x = 14,294,268,271,625,470
  5. Step 5: Solve for x
    x = 14,294,268,271,625,470/135,800,974.28
  6. Step 6: Final answer
    x = 105,258,952.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.