Home / 212,652,583.20-319,049,733.60-189,794,059.20

Finding the Fourth Proportional to 212,652,583.20, 319,049,733.60 and 189,794,059.20

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Solution

The fourth proportional to 212,652,583.20, 319,049,733.60 and 189,794,059.20 is: 284,754,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,652,583.20 : 319,049,733.60 = 189,794,059.20 : x
  2. Step 2: Convert to fraction form
    212,652,583.20/319,049,733.60 = 189,794,059.20/x
  3. Step 3: Cross multiply
    212,652,583.20x = 319,049,733.60 × 189,794,059.20
  4. Step 4: Simplify right side
    212,652,583.20x = 60,553,744,026,622,632
  5. Step 5: Solve for x
    x = 60,553,744,026,622,632/212,652,583.20
  6. Step 6: Final answer
    x = 284,754,330.82

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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.