Home / 108,468,781.80-149,696,150.46-61,434,222.33

Finding the Fourth Proportional to 108,468,781.80, 149,696,150.46 and 61,434,222.33

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Solution

The fourth proportional to 108,468,781.80, 149,696,150.46 and 61,434,222.33 is: 84,784,455.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,468,781.80 : 149,696,150.46 = 61,434,222.33 : x
  2. Step 2: Convert to fraction form
    108,468,781.80/149,696,150.46 = 61,434,222.33/x
  3. Step 3: Cross multiply
    108,468,781.80x = 149,696,150.46 × 61,434,222.33
  4. Step 4: Simplify right side
    108,468,781.80x = 9,196,466,589,304,772
  5. Step 5: Solve for x
    x = 9,196,466,589,304,772/108,468,781.80
  6. Step 6: Final answer
    x = 84,784,455.37

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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.