Home / 54,507,110.90-81,772,819.07-15,642,533.30

Finding the Fourth Proportional to 54,507,110.90, 81,772,819.07 and 15,642,533.30

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Solution

The fourth proportional to 54,507,110.90, 81,772,819.07 and 15,642,533.30 is: 23,467,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,507,110.90 : 81,772,819.07 = 15,642,533.30 : x
  2. Step 2: Convert to fraction form
    54,507,110.90/81,772,819.07 = 15,642,533.30/x
  3. Step 3: Cross multiply
    54,507,110.90x = 81,772,819.07 × 15,642,533.30
  4. Step 4: Simplify right side
    54,507,110.90x = 1,279,134,044,850,273.25
  5. Step 5: Solve for x
    x = 1,279,134,044,850,273.25/54,507,110.90
  6. Step 6: Final answer
    x = 23,467,287.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.