Home / 129,939,027,009.24-194,770,977,783.96-43,707,187,775.64

Finding the Fourth Proportional to 129,939,027,009.24, 194,770,977,783.96 and 43,707,187,775.64

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Solution

The fourth proportional to 129,939,027,009.24, 194,770,977,783.96 and 43,707,187,775.64 is: 65,514,510,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,939,027,009.24 : 194,770,977,783.96 = 43,707,187,775.64 : x
  2. Step 2: Convert to fraction form
    129,939,027,009.24/194,770,977,783.96 = 43,707,187,775.64/x
  3. Step 3: Cross multiply
    129,939,027,009.24x = 194,770,977,783.96 × 43,707,187,775.64
  4. Step 4: Simplify right side
    129,939,027,009.24x = 8,512,891,699,248,545,923,072
  5. Step 5: Solve for x
    x = 8,512,891,699,248,545,923,072/129,939,027,009.24
  6. Step 6: Final answer
    x = 65,514,510,114.37

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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.