Home / 188,182,239.68-259,644,525.08-112,840,393.77

Finding the Fourth Proportional to 188,182,239.68, 259,644,525.08 and 112,840,393.77

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Solution

The fourth proportional to 188,182,239.68, 259,644,525.08 and 112,840,393.77 is: 155,691,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,182,239.68 : 259,644,525.08 = 112,840,393.77 : x
  2. Step 2: Convert to fraction form
    188,182,239.68/259,644,525.08 = 112,840,393.77/x
  3. Step 3: Cross multiply
    188,182,239.68x = 259,644,525.08 × 112,840,393.77
  4. Step 4: Simplify right side
    188,182,239.68x = 29,298,390,449,687,636
  5. Step 5: Solve for x
    x = 29,298,390,449,687,636/188,182,239.68
  6. Step 6: Final answer
    x = 155,691,581.20

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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.