Home / 394,309,055.10-591,407,595.45-135,536,216.70

Finding the Fourth Proportional to 394,309,055.10, 591,407,595.45 and 135,536,216.70

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Solution

The fourth proportional to 394,309,055.10, 591,407,595.45 and 135,536,216.70 is: 203,285,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,309,055.10 : 591,407,595.45 = 135,536,216.70 : x
  2. Step 2: Convert to fraction form
    394,309,055.10/591,407,595.45 = 135,536,216.70/x
  3. Step 3: Cross multiply
    394,309,055.10x = 591,407,595.45 × 135,536,216.70
  4. Step 4: Simplify right side
    394,309,055.10x = 80,157,148,014,937,136
  5. Step 5: Solve for x
    x = 80,157,148,014,937,136/394,309,055.10
  6. Step 6: Final answer
    x = 203,285,080.52

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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.