Home / 248,068,822.66-342,334,979.85-138,086,517.22

Finding the Fourth Proportional to 248,068,822.66, 342,334,979.85 and 138,086,517.22

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Solution

The fourth proportional to 248,068,822.66, 342,334,979.85 and 138,086,517.22 is: 190,559,396.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,068,822.66 : 342,334,979.85 = 138,086,517.22 : x
  2. Step 2: Convert to fraction form
    248,068,822.66/342,334,979.85 = 138,086,517.22/x
  3. Step 3: Cross multiply
    248,068,822.66x = 342,334,979.85 × 138,086,517.22
  4. Step 4: Simplify right side
    248,068,822.66x = 47,271,845,090,065,384
  5. Step 5: Solve for x
    x = 47,271,845,090,065,384/248,068,822.66
  6. Step 6: Final answer
    x = 190,559,396.31

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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.