Home / 305,245,415.80-458,056,453.60-141,452,642.39

Finding the Fourth Proportional to 305,245,415.80, 458,056,453.60 and 141,452,642.39

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Solution

The fourth proportional to 305,245,415.80, 458,056,453.60 and 141,452,642.39 is: 212,266,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,245,415.80 : 458,056,453.60 = 141,452,642.39 : x
  2. Step 2: Convert to fraction form
    305,245,415.80/458,056,453.60 = 141,452,642.39/x
  3. Step 3: Cross multiply
    305,245,415.80x = 458,056,453.60 × 141,452,642.39
  4. Step 4: Simplify right side
    305,245,415.80x = 64,793,295,726,303,944
  5. Step 5: Solve for x
    x = 64,793,295,726,303,944/305,245,415.80
  6. Step 6: Final answer
    x = 212,266,236.85

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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.