Home / 140,885,359.31-194,399,870.29-80,533,491.54

Finding the Fourth Proportional to 140,885,359.31, 194,399,870.29 and 80,533,491.54

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Solution

The fourth proportional to 140,885,359.31, 194,399,870.29 and 80,533,491.54 is: 111,123,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,885,359.31 : 194,399,870.29 = 80,533,491.54 : x
  2. Step 2: Convert to fraction form
    140,885,359.31/194,399,870.29 = 80,533,491.54/x
  3. Step 3: Cross multiply
    140,885,359.31x = 194,399,870.29 × 80,533,491.54
  4. Step 4: Simplify right side
    140,885,359.31x = 15,655,700,308,974,146
  5. Step 5: Solve for x
    x = 15,655,700,308,974,146/140,885,359.31
  6. Step 6: Final answer
    x = 111,123,685.14

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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.