Home / 129,939,027,219.29-194,770,978,089.68-43,707,187,981.01

Finding the Fourth Proportional to 129,939,027,219.29, 194,770,978,089.68 and 43,707,187,981.01

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Solution

The fourth proportional to 129,939,027,219.29, 194,770,978,089.68 and 43,707,187,981.01 is: 65,514,510,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,939,027,219.29 : 194,770,978,089.68 = 43,707,187,981.01 : x
  2. Step 2: Convert to fraction form
    129,939,027,219.29/194,770,978,089.68 = 43,707,187,981.01/x
  3. Step 3: Cross multiply
    129,939,027,219.29x = 194,770,978,089.68 × 43,707,187,981.01
  4. Step 4: Simplify right side
    129,939,027,219.29x = 8,512,891,752,611,603,021,824
  5. Step 5: Solve for x
    x = 8,512,891,752,611,603,021,824/129,939,027,219.29
  6. Step 6: Final answer
    x = 65,514,510,419.14

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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.