Home / 178,022,581.20-267,033,871.80-109,147,827.60

Finding the Fourth Proportional to 178,022,581.20, 267,033,871.80 and 109,147,827.60

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Solution

The fourth proportional to 178,022,581.20, 267,033,871.80 and 109,147,827.60 is: 163,721,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,022,581.20 : 267,033,871.80 = 109,147,827.60 : x
  2. Step 2: Convert to fraction form
    178,022,581.20/267,033,871.80 = 109,147,827.60/x
  3. Step 3: Cross multiply
    178,022,581.20x = 267,033,871.80 × 109,147,827.60
  4. Step 4: Simplify right side
    178,022,581.20x = 29,146,167,002,586,900
  5. Step 5: Solve for x
    x = 29,146,167,002,586,900/178,022,581.20
  6. Step 6: Final answer
    x = 163,721,741.40

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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.