Home / 129,939,026,975.91-194,770,977,733.98-43,707,187,742.19

Finding the Fourth Proportional to 129,939,026,975.91, 194,770,977,733.98 and 43,707,187,742.19

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Solution

The fourth proportional to 129,939,026,975.91, 194,770,977,733.98 and 43,707,187,742.19 is: 65,514,510,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,939,026,975.91 : 194,770,977,733.98 = 43,707,187,742.19 : x
  2. Step 2: Convert to fraction form
    129,939,026,975.91/194,770,977,733.98 = 43,707,187,742.19/x
  3. Step 3: Cross multiply
    129,939,026,975.91x = 194,770,977,733.98 × 43,707,187,742.19
  4. Step 4: Simplify right side
    129,939,026,975.91x = 8,512,891,690,548,973,273,088
  5. Step 5: Solve for x
    x = 8,512,891,690,548,973,273,088/129,939,026,975.91
  6. Step 6: Final answer
    x = 65,514,510,064.23

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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.