Home / 108,036,201.45-149,089,965.28-59,143,629.45

Finding the Fourth Proportional to 108,036,201.45, 149,089,965.28 and 59,143,629.45

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Solution

The fourth proportional to 108,036,201.45, 149,089,965.28 and 59,143,629.45 is: 81,618,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,036,201.45 : 149,089,965.28 = 59,143,629.45 : x
  2. Step 2: Convert to fraction form
    108,036,201.45/149,089,965.28 = 59,143,629.45/x
  3. Step 3: Cross multiply
    108,036,201.45x = 149,089,965.28 × 59,143,629.45
  4. Step 4: Simplify right side
    108,036,201.45x = 8,817,721,660,859,717
  5. Step 5: Solve for x
    x = 8,817,721,660,859,717/108,036,201.45
  6. Step 6: Final answer
    x = 81,618,212.63

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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.