Home / 248,767,278.72-343,256,328-144,321,407.52

Finding the Fourth Proportional to 248,767,278.72, 343,256,328 and 144,321,407.52

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Solution

The fourth proportional to 248,767,278.72, 343,256,328 and 144,321,407.52 is: 199,138,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,767,278.72 : 343,256,328 = 144,321,407.52 : x
  2. Step 2: Convert to fraction form
    248,767,278.72/343,256,328 = 144,321,407.52/x
  3. Step 3: Cross multiply
    248,767,278.72x = 343,256,328 × 144,321,407.52
  4. Step 4: Simplify right side
    248,767,278.72x = 49,539,236,397,106,792
  5. Step 5: Solve for x
    x = 49,539,236,397,106,792/248,767,278.72
  6. Step 6: Final answer
    x = 199,138,876.51

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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.