Home / 210,131,553.43-289,986,132.39-116,045,508.66

Finding the Fourth Proportional to 210,131,553.43, 289,986,132.39 and 116,045,508.66

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Solution

The fourth proportional to 210,131,553.43, 289,986,132.39 and 116,045,508.66 is: 160,145,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,131,553.43 : 289,986,132.39 = 116,045,508.66 : x
  2. Step 2: Convert to fraction form
    210,131,553.43/289,986,132.39 = 116,045,508.66/x
  3. Step 3: Cross multiply
    210,131,553.43x = 289,986,132.39 × 116,045,508.66
  4. Step 4: Simplify right side
    210,131,553.43x = 33,651,588,236,995,524
  5. Step 5: Solve for x
    x = 33,651,588,236,995,524/210,131,553.43
  6. Step 6: Final answer
    x = 160,145,336.04

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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.