Home / 93,028,648.16-128,383,761.84-51,778,181.60

Finding the Fourth Proportional to 93,028,648.16, 128,383,761.84 and 51,778,181.60

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Solution

The fourth proportional to 93,028,648.16, 128,383,761.84 and 51,778,181.60 is: 71,456,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,028,648.16 : 128,383,761.84 = 51,778,181.60 : x
  2. Step 2: Convert to fraction form
    93,028,648.16/128,383,761.84 = 51,778,181.60/x
  3. Step 3: Cross multiply
    93,028,648.16x = 128,383,761.84 × 51,778,181.60
  4. Step 4: Simplify right side
    93,028,648.16x = 6,647,477,735,042,671
  5. Step 5: Solve for x
    x = 6,647,477,735,042,671/93,028,648.16
  6. Step 6: Final answer
    x = 71,456,243.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.