Home / 140,885,360.31-194,399,871.66-80,533,492.54

Finding the Fourth Proportional to 140,885,360.31, 194,399,871.66 and 80,533,492.54

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Solution

The fourth proportional to 140,885,360.31, 194,399,871.66 and 80,533,492.54 is: 111,123,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,885,360.31 : 194,399,871.66 = 80,533,492.54 : x
  2. Step 2: Convert to fraction form
    140,885,360.31/194,399,871.66 = 80,533,492.54/x
  3. Step 3: Cross multiply
    140,885,360.31x = 194,399,871.66 × 80,533,492.54
  4. Step 4: Simplify right side
    140,885,360.31x = 15,655,700,614,107,568
  5. Step 5: Solve for x
    x = 15,655,700,614,107,568/140,885,360.31
  6. Step 6: Final answer
    x = 111,123,686.52

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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.