Home / 78,207,233.20-117,352,840.20-32,773,620.40

Finding the Fourth Proportional to 78,207,233.20, 117,352,840.20 and 32,773,620.40

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Solution

The fourth proportional to 78,207,233.20, 117,352,840.20 and 32,773,620.40 is: 49,178,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,207,233.20 : 117,352,840.20 = 32,773,620.40 : x
  2. Step 2: Convert to fraction form
    78,207,233.20/117,352,840.20 = 32,773,620.40/x
  3. Step 3: Cross multiply
    78,207,233.20x = 117,352,840.20 × 32,773,620.40
  4. Step 4: Simplify right side
    78,207,233.20x = 3,846,077,437,576,660
  5. Step 5: Solve for x
    x = 3,846,077,437,576,660/78,207,233.20
  6. Step 6: Final answer
    x = 49,178,027.15

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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.