Home / 212,784,879.56-319,234,181.34-76,471,444.04

Finding the Fourth Proportional to 212,784,879.56, 319,234,181.34 and 76,471,444.04

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Solution

The fourth proportional to 212,784,879.56, 319,234,181.34 and 76,471,444.04 is: 114,727,601.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,784,879.56 : 319,234,181.34 = 76,471,444.04 : x
  2. Step 2: Convert to fraction form
    212,784,879.56/319,234,181.34 = 76,471,444.04/x
  3. Step 3: Cross multiply
    212,784,879.56x = 319,234,181.34 × 76,471,444.04
  4. Step 4: Simplify right side
    212,784,879.56x = 24,412,298,833,997,024
  5. Step 5: Solve for x
    x = 24,412,298,833,997,024/212,784,879.56
  6. Step 6: Final answer
    x = 114,727,601.34

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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.