Home / 306,505,194.32-422,921,475.50-181,077,811.32

Finding the Fourth Proportional to 306,505,194.32, 422,921,475.50 and 181,077,811.32

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Solution

The fourth proportional to 306,505,194.32, 422,921,475.50 and 181,077,811.32 is: 249,854,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,505,194.32 : 422,921,475.50 = 181,077,811.32 : x
  2. Step 2: Convert to fraction form
    306,505,194.32/422,921,475.50 = 181,077,811.32/x
  3. Step 3: Cross multiply
    306,505,194.32x = 422,921,475.50 × 181,077,811.32
  4. Step 4: Simplify right side
    306,505,194.32x = 76,581,695,143,764,992
  5. Step 5: Solve for x
    x = 76,581,695,143,764,992/306,505,194.32
  6. Step 6: Final answer
    x = 249,854,477.39

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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.