Home / 155,341,435.20-214,451,778.96-113,478,493.56

Finding the Fourth Proportional to 155,341,435.20, 214,451,778.96 and 113,478,493.56

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Solution

The fourth proportional to 155,341,435.20, 214,451,778.96 and 113,478,493.56 is: 156,659,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,341,435.20 : 214,451,778.96 = 113,478,493.56 : x
  2. Step 2: Convert to fraction form
    155,341,435.20/214,451,778.96 = 113,478,493.56/x
  3. Step 3: Cross multiply
    155,341,435.20x = 214,451,778.96 × 113,478,493.56
  4. Step 4: Simplify right side
    155,341,435.20x = 24,335,664,817,642,904
  5. Step 5: Solve for x
    x = 24,335,664,817,642,904/155,341,435.20
  6. Step 6: Final answer
    x = 156,659,199.05

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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.