Home / 108,089,638.44-149,174,350.02-61,686,876.84

Finding the Fourth Proportional to 108,089,638.44, 149,174,350.02 and 61,686,876.84

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Solution

The fourth proportional to 108,089,638.44, 149,174,350.02 and 61,686,876.84 is: 85,133,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,089,638.44 : 149,174,350.02 = 61,686,876.84 : x
  2. Step 2: Convert to fraction form
    108,089,638.44/149,174,350.02 = 61,686,876.84/x
  3. Step 3: Cross multiply
    108,089,638.44x = 149,174,350.02 × 61,686,876.84
  4. Step 4: Simplify right side
    108,089,638.44x = 9,202,099,757,370,792
  5. Step 5: Solve for x
    x = 9,202,099,757,370,792/108,089,638.44
  6. Step 6: Final answer
    x = 85,133,967.42

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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.