Home / 66,268,500.16-91,458,551.48-38,021,215.48

Finding the Fourth Proportional to 66,268,500.16, 91,458,551.48 and 38,021,215.48

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Solution

The fourth proportional to 66,268,500.16, 91,458,551.48 and 38,021,215.48 is: 52,473,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,268,500.16 : 91,458,551.48 = 38,021,215.48 : x
  2. Step 2: Convert to fraction form
    66,268,500.16/91,458,551.48 = 38,021,215.48/x
  3. Step 3: Cross multiply
    66,268,500.16x = 91,458,551.48 × 38,021,215.48
  4. Step 4: Simplify right side
    66,268,500.16x = 3,477,365,293,309,753
  5. Step 5: Solve for x
    x = 3,477,365,293,309,753/66,268,500.16
  6. Step 6: Final answer
    x = 52,473,879.52

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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.