Home / 136,676,548.28-188,613,514.74-77,150,373.92

Finding the Fourth Proportional to 136,676,548.28, 188,613,514.74 and 77,150,373.92

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Solution

The fourth proportional to 136,676,548.28, 188,613,514.74 and 77,150,373.92 is: 106,467,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,676,548.28 : 188,613,514.74 = 77,150,373.92 : x
  2. Step 2: Convert to fraction form
    136,676,548.28/188,613,514.74 = 77,150,373.92/x
  3. Step 3: Cross multiply
    136,676,548.28x = 188,613,514.74 × 77,150,373.92
  4. Step 4: Simplify right side
    136,676,548.28x = 14,551,603,188,556,432
  5. Step 5: Solve for x
    x = 14,551,603,188,556,432/136,676,548.28
  6. Step 6: Final answer
    x = 106,467,447.21

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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.