Home / 276,905,798.10-382,247,662.41-172,535,435.73

Finding the Fourth Proportional to 276,905,798.10, 382,247,662.41 and 172,535,435.73

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Solution

The fourth proportional to 276,905,798.10, 382,247,662.41 and 172,535,435.73 is: 238,172,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,798.10 : 382,247,662.41 = 172,535,435.73 : x
  2. Step 2: Convert to fraction form
    276,905,798.10/382,247,662.41 = 172,535,435.73/x
  3. Step 3: Cross multiply
    276,905,798.10x = 382,247,662.41 × 172,535,435.73
  4. Step 4: Simplify right side
    276,905,798.10x = 65,951,266,990,683,296
  5. Step 5: Solve for x
    x = 65,951,266,990,683,296/276,905,798.10
  6. Step 6: Final answer
    x = 238,172,213.96

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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.