Home / 319,341,285.56-479,008,734.95-100,991,664.83

Finding the Fourth Proportional to 319,341,285.56, 479,008,734.95 and 100,991,664.83

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Solution

The fourth proportional to 319,341,285.56, 479,008,734.95 and 100,991,664.83 is: 151,486,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,341,285.56 : 479,008,734.95 = 100,991,664.83 : x
  2. Step 2: Convert to fraction form
    319,341,285.56/479,008,734.95 = 100,991,664.83/x
  3. Step 3: Cross multiply
    319,341,285.56x = 479,008,734.95 × 100,991,664.83
  4. Step 4: Simplify right side
    319,341,285.56x = 48,375,889,612,162,704
  5. Step 5: Solve for x
    x = 48,375,889,612,162,704/319,341,285.56
  6. Step 6: Final answer
    x = 151,486,487.34

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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.