Home / 136,172,903.43-187,918,392.39-74,293,247.46

Finding the Fourth Proportional to 136,172,903.43, 187,918,392.39 and 74,293,247.46

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Solution

The fourth proportional to 136,172,903.43, 187,918,392.39 and 74,293,247.46 is: 102,524,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,172,903.43 : 187,918,392.39 = 74,293,247.46 : x
  2. Step 2: Convert to fraction form
    136,172,903.43/187,918,392.39 = 74,293,247.46/x
  3. Step 3: Cross multiply
    136,172,903.43x = 187,918,392.39 × 74,293,247.46
  4. Step 4: Simplify right side
    136,172,903.43x = 13,961,067,628,115,648
  5. Step 5: Solve for x
    x = 13,961,067,628,115,648/136,172,903.43
  6. Step 6: Final answer
    x = 102,524,564.55

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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.