Home / 297,469,657.82-445,905,162.37-122,720,145.64

Finding the Fourth Proportional to 297,469,657.82, 445,905,162.37 and 122,720,145.64

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Solution

The fourth proportional to 297,469,657.82, 445,905,162.37 and 122,720,145.64 is: 183,956,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,469,657.82 : 445,905,162.37 = 122,720,145.64 : x
  2. Step 2: Convert to fraction form
    297,469,657.82/445,905,162.37 = 122,720,145.64/x
  3. Step 3: Cross multiply
    297,469,657.82x = 445,905,162.37 × 122,720,145.64
  4. Step 4: Simplify right side
    297,469,657.82x = 54,721,546,466,712,880
  5. Step 5: Solve for x
    x = 54,721,546,466,712,880/297,469,657.82
  6. Step 6: Final answer
    x = 183,956,733.16

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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.