Home / 248,693,645.54-343,191,170.19-137,182,044.81

Finding the Fourth Proportional to 248,693,645.54, 343,191,170.19 and 137,182,044.81

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Solution

The fourth proportional to 248,693,645.54, 343,191,170.19 and 137,182,044.81 is: 189,307,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,693,645.54 : 343,191,170.19 = 137,182,044.81 : x
  2. Step 2: Convert to fraction form
    248,693,645.54/343,191,170.19 = 137,182,044.81/x
  3. Step 3: Cross multiply
    248,693,645.54x = 343,191,170.19 × 137,182,044.81
  4. Step 4: Simplify right side
    248,693,645.54x = 47,079,666,487,400,920
  5. Step 5: Solve for x
    x = 47,079,666,487,400,920/248,693,645.54
  6. Step 6: Final answer
    x = 189,307,878.72

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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.