Home / 248,588,613,222.88-343,051,641,010.03-138,721,807,331.54

Finding the Fourth Proportional to 248,588,613,222.88, 343,051,641,010.03 and 138,721,807,331.54

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Solution

The fourth proportional to 248,588,613,222.88, 343,051,641,010.03 and 138,721,807,331.54 is: 191,435,734,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,588,613,222.88 : 343,051,641,010.03 = 138,721,807,331.54 : x
  2. Step 2: Convert to fraction form
    248,588,613,222.88/343,051,641,010.03 = 138,721,807,331.54/x
  3. Step 3: Cross multiply
    248,588,613,222.88x = 343,051,641,010.03 × 138,721,807,331.54
  4. Step 4: Simplify right side
    248,588,613,222.88x = 47,588,743,648,962,014,085,120
  5. Step 5: Solve for x
    x = 47,588,743,648,962,014,085,120/248,588,613,222.88
  6. Step 6: Final answer
    x = 191,435,734,050.68

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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.