Home / 115,756,495,361.78-159,748,274,738.34-69,414,467,540.92

Finding the Fourth Proportional to 115,756,495,361.78, 159,748,274,738.34 and 69,414,467,540.92

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Solution

The fourth proportional to 115,756,495,361.78, 159,748,274,738.34 and 69,414,467,540.92 is: 95,794,550,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,756,495,361.78 : 159,748,274,738.34 = 69,414,467,540.92 : x
  2. Step 2: Convert to fraction form
    115,756,495,361.78/159,748,274,738.34 = 69,414,467,540.92/x
  3. Step 3: Cross multiply
    115,756,495,361.78x = 159,748,274,738.34 × 69,414,467,540.92
  4. Step 4: Simplify right side
    115,756,495,361.78x = 11,088,841,431,542,472,376,320
  5. Step 5: Solve for x
    x = 11,088,841,431,542,472,376,320/115,756,495,361.78
  6. Step 6: Final answer
    x = 95,794,550,421.43

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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.