Home / 252,019,425.60-378,029,138.40-208,972,704.60

Finding the Fourth Proportional to 252,019,425.60, 378,029,138.40 and 208,972,704.60

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Solution

The fourth proportional to 252,019,425.60, 378,029,138.40 and 208,972,704.60 is: 313,459,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,019,425.60 : 378,029,138.40 = 208,972,704.60 : x
  2. Step 2: Convert to fraction form
    252,019,425.60/378,029,138.40 = 208,972,704.60/x
  3. Step 3: Cross multiply
    252,019,425.60x = 378,029,138.40 × 208,972,704.60
  4. Step 4: Simplify right side
    252,019,425.60x = 78,997,771,469,055,712
  5. Step 5: Solve for x
    x = 78,997,771,469,055,712/252,019,425.60
  6. Step 6: Final answer
    x = 313,459,056.90

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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.