Home / 276,309,233.81-381,340,179.28-157,260,772.49

Finding the Fourth Proportional to 276,309,233.81, 381,340,179.28 and 157,260,772.49

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Solution

The fourth proportional to 276,309,233.81, 381,340,179.28 and 157,260,772.49 is: 217,038,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,309,233.81 : 381,340,179.28 = 157,260,772.49 : x
  2. Step 2: Convert to fraction form
    276,309,233.81/381,340,179.28 = 157,260,772.49/x
  3. Step 3: Cross multiply
    276,309,233.81x = 381,340,179.28 × 157,260,772.49
  4. Step 4: Simplify right side
    276,309,233.81x = 59,969,851,173,337,776
  5. Step 5: Solve for x
    x = 59,969,851,173,337,776/276,309,233.81
  6. Step 6: Final answer
    x = 217,038,896.41

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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.