Home / 248,068,476-342,334,496.88-138,086,170.56

Finding the Fourth Proportional to 248,068,476, 342,334,496.88 and 138,086,170.56

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Solution

The fourth proportional to 248,068,476, 342,334,496.88 and 138,086,170.56 is: 190,558,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,068,476 : 342,334,496.88 = 138,086,170.56 : x
  2. Step 2: Convert to fraction form
    248,068,476/342,334,496.88 = 138,086,170.56/x
  3. Step 3: Cross multiply
    248,068,476x = 342,334,496.88 × 138,086,170.56
  4. Step 4: Simplify right side
    248,068,476x = 47,271,659,724,743,472
  5. Step 5: Solve for x
    x = 47,271,659,724,743,472/248,068,476
  6. Step 6: Final answer
    x = 190,558,915.37

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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.