Home / 136,676,540.89-188,613,504.57-77,150,366.55

Finding the Fourth Proportional to 136,676,540.89, 188,613,504.57 and 77,150,366.55

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Solution

The fourth proportional to 136,676,540.89, 188,613,504.57 and 77,150,366.55 is: 106,467,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,676,540.89 : 188,613,504.57 = 77,150,366.55 : x
  2. Step 2: Convert to fraction form
    136,676,540.89/188,613,504.57 = 77,150,366.55/x
  3. Step 3: Cross multiply
    136,676,540.89x = 188,613,504.57 × 77,150,366.55
  4. Step 4: Simplify right side
    136,676,540.89x = 14,551,601,013,855,600
  5. Step 5: Solve for x
    x = 14,551,601,013,855,600/136,676,540.89
  6. Step 6: Final answer
    x = 106,467,437.05

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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.