Home / 371,168,932.23-512,156,187.09-214,505,786.52

Finding the Fourth Proportional to 371,168,932.23, 512,156,187.09 and 214,505,786.52

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Solution

The fourth proportional to 371,168,932.23, 512,156,187.09 and 214,505,786.52 is: 295,985,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,168,932.23 : 512,156,187.09 = 214,505,786.52 : x
  2. Step 2: Convert to fraction form
    371,168,932.23/512,156,187.09 = 214,505,786.52/x
  3. Step 3: Cross multiply
    371,168,932.23x = 512,156,187.09 × 214,505,786.52
  4. Step 4: Simplify right side
    371,168,932.23x = 109,860,465,732,824,720
  5. Step 5: Solve for x
    x = 109,860,465,732,824,720/371,168,932.23
  6. Step 6: Final answer
    x = 295,985,079.01

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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.