Home / 178,630,458.30-267,945,687.45-171,072,186.30

Finding the Fourth Proportional to 178,630,458.30, 267,945,687.45 and 171,072,186.30

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Solution

The fourth proportional to 178,630,458.30, 267,945,687.45 and 171,072,186.30 is: 256,608,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,630,458.30 : 267,945,687.45 = 171,072,186.30 : x
  2. Step 2: Convert to fraction form
    178,630,458.30/267,945,687.45 = 171,072,186.30/x
  3. Step 3: Cross multiply
    178,630,458.30x = 267,945,687.45 × 171,072,186.30
  4. Step 4: Simplify right side
    178,630,458.30x = 45,838,054,561,727,976
  5. Step 5: Solve for x
    x = 45,838,054,561,727,976/178,630,458.30
  6. Step 6: Final answer
    x = 256,608,279.45

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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.