Home / 118,098,311.20-177,147,466.80-74,998,446.10

Finding the Fourth Proportional to 118,098,311.20, 177,147,466.80 and 74,998,446.10

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Solution

The fourth proportional to 118,098,311.20, 177,147,466.80 and 74,998,446.10 is: 112,497,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,311.20 : 177,147,466.80 = 74,998,446.10 : x
  2. Step 2: Convert to fraction form
    118,098,311.20/177,147,466.80 = 74,998,446.10/x
  3. Step 3: Cross multiply
    118,098,311.20x = 177,147,466.80 × 74,998,446.10
  4. Step 4: Simplify right side
    118,098,311.20x = 13,285,784,740,551,340
  5. Step 5: Solve for x
    x = 13,285,784,740,551,340/118,098,311.20
  6. Step 6: Final answer
    x = 112,497,669.15

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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.