Home / 113,379,620.31-156,468,830.90-63,823,191.75

Finding the Fourth Proportional to 113,379,620.31, 156,468,830.90 and 63,823,191.75

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Solution

The fourth proportional to 113,379,620.31, 156,468,830.90 and 63,823,191.75 is: 88,078,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,379,620.31 : 156,468,830.90 = 63,823,191.75 : x
  2. Step 2: Convert to fraction form
    113,379,620.31/156,468,830.90 = 63,823,191.75/x
  3. Step 3: Cross multiply
    113,379,620.31x = 156,468,830.90 × 63,823,191.75
  4. Step 4: Simplify right side
    113,379,620.31x = 9,986,340,197,109,910
  5. Step 5: Solve for x
    x = 9,986,340,197,109,910/113,379,620.31
  6. Step 6: Final answer
    x = 88,078,793.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.