Home / 126,904,311.29-190,357,123.82-57,768,765.57

Finding the Fourth Proportional to 126,904,311.29, 190,357,123.82 and 57,768,765.57

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Solution

The fourth proportional to 126,904,311.29, 190,357,123.82 and 57,768,765.57 is: 86,653,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904,311.29 : 190,357,123.82 = 57,768,765.57 : x
  2. Step 2: Convert to fraction form
    126,904,311.29/190,357,123.82 = 57,768,765.57/x
  3. Step 3: Cross multiply
    126,904,311.29x = 190,357,123.82 × 57,768,765.57
  4. Step 4: Simplify right side
    126,904,311.29x = 10,996,696,060,248,198
  5. Step 5: Solve for x
    x = 10,996,696,060,248,198/126,904,311.29
  6. Step 6: Final answer
    x = 86,653,447.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.