Home / 219,697,917.40-329,068,579.20-133,285,610.80

Finding the Fourth Proportional to 219,697,917.40, 329,068,579.20 and 133,285,610.80

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Solution

The fourth proportional to 219,697,917.40, 329,068,579.20 and 133,285,610.80 is: 199,638,244.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,697,917.40 : 329,068,579.20 = 133,285,610.80 : x
  2. Step 2: Convert to fraction form
    219,697,917.40/329,068,579.20 = 133,285,610.80/x
  3. Step 3: Cross multiply
    219,697,917.40x = 329,068,579.20 × 133,285,610.80
  4. Step 4: Simplify right side
    219,697,917.40x = 43,860,106,573,760,176
  5. Step 5: Solve for x
    x = 43,860,106,573,760,176/219,697,917.40
  6. Step 6: Final answer
    x = 199,638,244.61

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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.