Home / 178,045,019.20-267,067,528.80-161,889,212.80

Finding the Fourth Proportional to 178,045,019.20, 267,067,528.80 and 161,889,212.80

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Solution

The fourth proportional to 178,045,019.20, 267,067,528.80 and 161,889,212.80 is: 242,833,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,045,019.20 : 267,067,528.80 = 161,889,212.80 : x
  2. Step 2: Convert to fraction form
    178,045,019.20/267,067,528.80 = 161,889,212.80/x
  3. Step 3: Cross multiply
    178,045,019.20x = 267,067,528.80 × 161,889,212.80
  4. Step 4: Simplify right side
    178,045,019.20x = 43,235,352,001,873,336
  5. Step 5: Solve for x
    x = 43,235,352,001,873,336/178,045,019.20
  6. Step 6: Final answer
    x = 242,833,819.20

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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.