Home / 200,127,015.05-276,178,100.85-115,307,256.44

Finding the Fourth Proportional to 200,127,015.05, 276,178,100.85 and 115,307,256.44

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Solution

The fourth proportional to 200,127,015.05, 276,178,100.85 and 115,307,256.44 is: 159,125,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,127,015.05 : 276,178,100.85 = 115,307,256.44 : x
  2. Step 2: Convert to fraction form
    200,127,015.05/276,178,100.85 = 115,307,256.44/x
  3. Step 3: Cross multiply
    200,127,015.05x = 276,178,100.85 × 115,307,256.44
  4. Step 4: Simplify right side
    200,127,015.05x = 31,845,339,096,442,244
  5. Step 5: Solve for x
    x = 31,845,339,096,442,244/200,127,015.05
  6. Step 6: Final answer
    x = 159,125,638.73

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1.5x scale

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.