Home / 248,278,203.88-342,634,548.96-138,269,916.88

Finding the Fourth Proportional to 248,278,203.88, 342,634,548.96 and 138,269,916.88

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Solution

The fourth proportional to 248,278,203.88, 342,634,548.96 and 138,269,916.88 is: 190,818,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,278,203.88 : 342,634,548.96 = 138,269,916.88 : x
  2. Step 2: Convert to fraction form
    248,278,203.88/342,634,548.96 = 138,269,916.88/x
  3. Step 3: Cross multiply
    248,278,203.88x = 342,634,548.96 × 138,269,916.88
  4. Step 4: Simplify right side
    248,278,203.88x = 47,376,050,604,058,904
  5. Step 5: Solve for x
    x = 47,376,050,604,058,904/248,278,203.88
  6. Step 6: Final answer
    x = 190,818,403.97

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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.