Home / 276,309,303.03-381,340,274.52-157,260,840.15

Finding the Fourth Proportional to 276,309,303.03, 381,340,274.52 and 157,260,840.15

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Solution

The fourth proportional to 276,309,303.03, 381,340,274.52 and 157,260,840.15 is: 217,038,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,309,303.03 : 381,340,274.52 = 157,260,840.15 : x
  2. Step 2: Convert to fraction form
    276,309,303.03/381,340,274.52 = 157,260,840.15/x
  3. Step 3: Cross multiply
    276,309,303.03x = 381,340,274.52 × 157,260,840.15
  4. Step 4: Simplify right side
    276,309,303.03x = 59,969,891,954,046,840
  5. Step 5: Solve for x
    x = 59,969,891,954,046,840/276,309,303.03
  6. Step 6: Final answer
    x = 217,038,989.63

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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.