Home / 196,726,070.43-271,482,965.28-108,620,238.51

Finding the Fourth Proportional to 196,726,070.43, 271,482,965.28 and 108,620,238.51

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Solution

The fourth proportional to 196,726,070.43, 271,482,965.28 and 108,620,238.51 is: 149,896,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,726,070.43 : 271,482,965.28 = 108,620,238.51 : x
  2. Step 2: Convert to fraction form
    196,726,070.43/271,482,965.28 = 108,620,238.51/x
  3. Step 3: Cross multiply
    196,726,070.43x = 271,482,965.28 × 108,620,238.51
  4. Step 4: Simplify right side
    196,726,070.43x = 29,488,544,440,115,648
  5. Step 5: Solve for x
    x = 29,488,544,440,115,648/196,726,070.43
  6. Step 6: Final answer
    x = 149,896,474.71

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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.