Home / 69,449,627.48-104,174,386.54-20,927,481.84

Finding the Fourth Proportional to 69,449,627.48, 104,174,386.54 and 20,927,481.84

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Solution

The fourth proportional to 69,449,627.48, 104,174,386.54 and 20,927,481.84 is: 31,391,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,449,627.48 : 104,174,386.54 = 20,927,481.84 : x
  2. Step 2: Convert to fraction form
    69,449,627.48/104,174,386.54 = 20,927,481.84/x
  3. Step 3: Cross multiply
    69,449,627.48x = 104,174,386.54 × 20,927,481.84
  4. Step 4: Simplify right side
    69,449,627.48x = 2,180,107,582,456,671.50
  5. Step 5: Solve for x
    x = 2,180,107,582,456,671.50/69,449,627.48
  6. Step 6: Final answer
    x = 31,391,206.28

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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.