Home / 108,243,683.54-149,397,984.15-64,215,121.04

Finding the Fourth Proportional to 108,243,683.54, 149,397,984.15 and 64,215,121.04

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Solution

The fourth proportional to 108,243,683.54, 149,397,984.15 and 64,215,121.04 is: 88,629,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,243,683.54 : 149,397,984.15 = 64,215,121.04 : x
  2. Step 2: Convert to fraction form
    108,243,683.54/149,397,984.15 = 64,215,121.04/x
  3. Step 3: Cross multiply
    108,243,683.54x = 149,397,984.15 × 64,215,121.04
  4. Step 4: Simplify right side
    108,243,683.54x = 9,593,609,635,324,252
  5. Step 5: Solve for x
    x = 9,593,609,635,324,252/108,243,683.54
  6. Step 6: Final answer
    x = 88,629,740.98

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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.