Home / 279,581,750.28-419,281,351.66-92,785,516.29

Finding the Fourth Proportional to 279,581,750.28, 419,281,351.66 and 92,785,516.29

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Solution

The fourth proportional to 279,581,750.28, 419,281,351.66 and 92,785,516.29 is: 139,147,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,581,750.28 : 419,281,351.66 = 92,785,516.29 : x
  2. Step 2: Convert to fraction form
    279,581,750.28/419,281,351.66 = 92,785,516.29/x
  3. Step 3: Cross multiply
    279,581,750.28x = 419,281,351.66 × 92,785,516.29
  4. Step 4: Simplify right side
    279,581,750.28x = 38,903,236,684,542,152
  5. Step 5: Solve for x
    x = 38,903,236,684,542,152/279,581,750.28
  6. Step 6: Final answer
    x = 139,147,983.18

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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.