Home / 275,330,910.08-413,007,762.73-81,242,321.56

Finding the Fourth Proportional to 275,330,910.08, 413,007,762.73 and 81,242,321.56

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Solution

The fourth proportional to 275,330,910.08, 413,007,762.73 and 81,242,321.56 is: 121,866,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,330,910.08 : 413,007,762.73 = 81,242,321.56 : x
  2. Step 2: Convert to fraction form
    275,330,910.08/413,007,762.73 = 81,242,321.56/x
  3. Step 3: Cross multiply
    275,330,910.08x = 413,007,762.73 × 81,242,321.56
  4. Step 4: Simplify right side
    275,330,910.08x = 33,553,709,466,486,844
  5. Step 5: Solve for x
    x = 33,553,709,466,486,844/275,330,910.08
  6. Step 6: Final answer
    x = 121,866,845.45

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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.