Home / 178,186,574.40-267,279,861.60-87,487,310.40

Finding the Fourth Proportional to 178,186,574.40, 267,279,861.60 and 87,487,310.40

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Solution

The fourth proportional to 178,186,574.40, 267,279,861.60 and 87,487,310.40 is: 131,230,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,186,574.40 : 267,279,861.60 = 87,487,310.40 : x
  2. Step 2: Convert to fraction form
    178,186,574.40/267,279,861.60 = 87,487,310.40/x
  3. Step 3: Cross multiply
    178,186,574.40x = 267,279,861.60 × 87,487,310.40
  4. Step 4: Simplify right side
    178,186,574.40x = 23,383,596,215,468,240
  5. Step 5: Solve for x
    x = 23,383,596,215,468,240/178,186,574.40
  6. Step 6: Final answer
    x = 131,230,965.60

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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.