Home / 276,309,299.89-381,340,270.20-157,260,837.03

Finding the Fourth Proportional to 276,309,299.89, 381,340,270.20 and 157,260,837.03

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Solution

The fourth proportional to 276,309,299.89, 381,340,270.20 and 157,260,837.03 is: 217,038,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,309,299.89 : 381,340,270.20 = 157,260,837.03 : x
  2. Step 2: Convert to fraction form
    276,309,299.89/381,340,270.20 = 157,260,837.03/x
  3. Step 3: Cross multiply
    276,309,299.89x = 381,340,270.20 × 157,260,837.03
  4. Step 4: Simplify right side
    276,309,299.89x = 59,969,890,084,898,368
  5. Step 5: Solve for x
    x = 59,969,890,084,898,368/276,309,299.89
  6. Step 6: Final answer
    x = 217,038,985.33

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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.