Home / 276,309,298.89-381,340,268.82-157,260,836.03

Finding the Fourth Proportional to 276,309,298.89, 381,340,268.82 and 157,260,836.03

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Solution

The fourth proportional to 276,309,298.89, 381,340,268.82 and 157,260,836.03 is: 217,038,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,309,298.89 : 381,340,268.82 = 157,260,836.03 : x
  2. Step 2: Convert to fraction form
    276,309,298.89/381,340,268.82 = 157,260,836.03/x
  3. Step 3: Cross multiply
    276,309,298.89x = 381,340,268.82 × 157,260,836.03
  4. Step 4: Simplify right side
    276,309,298.89x = 59,969,889,484,631,440
  5. Step 5: Solve for x
    x = 59,969,889,484,631,440/276,309,298.89
  6. Step 6: Final answer
    x = 217,038,983.94

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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.