Home / 311,443,370.70-467,165,056.05-81,435,705.90

Finding the Fourth Proportional to 311,443,370.70, 467,165,056.05 and 81,435,705.90

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Solution

The fourth proportional to 311,443,370.70, 467,165,056.05 and 81,435,705.90 is: 122,153,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,443,370.70 : 467,165,056.05 = 81,435,705.90 : x
  2. Step 2: Convert to fraction form
    311,443,370.70/467,165,056.05 = 81,435,705.90/x
  3. Step 3: Cross multiply
    311,443,370.70x = 467,165,056.05 × 81,435,705.90
  4. Step 4: Simplify right side
    311,443,370.70x = 38,043,916,111,244,816
  5. Step 5: Solve for x
    x = 38,043,916,111,244,816/311,443,370.70
  6. Step 6: Final answer
    x = 122,153,558.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.