Home / 213,027,720.30-319,541,580.45-109,715,589.90

Finding the Fourth Proportional to 213,027,720.30, 319,541,580.45 and 109,715,589.90

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Solution

The fourth proportional to 213,027,720.30, 319,541,580.45 and 109,715,589.90 is: 164,573,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,027,720.30 : 319,541,580.45 = 109,715,589.90 : x
  2. Step 2: Convert to fraction form
    213,027,720.30/319,541,580.45 = 109,715,589.90/x
  3. Step 3: Cross multiply
    213,027,720.30x = 319,541,580.45 × 109,715,589.90
  4. Step 4: Simplify right side
    213,027,720.30x = 35,058,692,996,650,060
  5. Step 5: Solve for x
    x = 35,058,692,996,650,060/213,027,720.30
  6. Step 6: Final answer
    x = 164,573,384.85

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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.