Home / 76,296,979.60-114,445,469.40-67,936,224.40

Finding the Fourth Proportional to 76,296,979.60, 114,445,469.40 and 67,936,224.40

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Solution

The fourth proportional to 76,296,979.60, 114,445,469.40 and 67,936,224.40 is: 101,904,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,296,979.60 : 114,445,469.40 = 67,936,224.40 : x
  2. Step 2: Convert to fraction form
    76,296,979.60/114,445,469.40 = 67,936,224.40/x
  3. Step 3: Cross multiply
    76,296,979.60x = 114,445,469.40 × 67,936,224.40
  4. Step 4: Simplify right side
    76,296,979.60x = 7,774,993,090,721,734
  5. Step 5: Solve for x
    x = 7,774,993,090,721,734/76,296,979.60
  6. Step 6: Final answer
    x = 101,904,336.60

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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.