Home / 199,139,221.53-274,629,495.42-136,506,340.89

Finding the Fourth Proportional to 199,139,221.53, 274,629,495.42 and 136,506,340.89

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Solution

The fourth proportional to 199,139,221.53, 274,629,495.42 and 136,506,340.89 is: 188,253,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,139,221.53 : 274,629,495.42 = 136,506,340.89 : x
  2. Step 2: Convert to fraction form
    199,139,221.53/274,629,495.42 = 136,506,340.89/x
  3. Step 3: Cross multiply
    199,139,221.53x = 274,629,495.42 × 136,506,340.89
  4. Step 4: Simplify right side
    199,139,221.53x = 37,488,667,520,251,216
  5. Step 5: Solve for x
    x = 37,488,667,520,251,216/199,139,221.53
  6. Step 6: Final answer
    x = 188,253,560.66

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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.