Home / 276,733,395.70-381,896,625.60-165,233,978.88

Finding the Fourth Proportional to 276,733,395.70, 381,896,625.60 and 165,233,978.88

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Solution

The fourth proportional to 276,733,395.70, 381,896,625.60 and 165,233,978.88 is: 228,025,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,733,395.70 : 381,896,625.60 = 165,233,978.88 : x
  2. Step 2: Convert to fraction form
    276,733,395.70/381,896,625.60 = 165,233,978.88/x
  3. Step 3: Cross multiply
    276,733,395.70x = 381,896,625.60 × 165,233,978.88
  4. Step 4: Simplify right side
    276,733,395.70x = 63,102,298,968,733,672
  5. Step 5: Solve for x
    x = 63,102,298,968,733,672/276,733,395.70
  6. Step 6: Final answer
    x = 228,025,601.35

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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.