Home / 108,631,033.84-149,906,263.32-61,591,271.84

Finding the Fourth Proportional to 108,631,033.84, 149,906,263.32 and 61,591,271.84

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Solution

The fourth proportional to 108,631,033.84, 149,906,263.32 and 61,591,271.84 is: 84,993,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,631,033.84 : 149,906,263.32 = 61,591,271.84 : x
  2. Step 2: Convert to fraction form
    108,631,033.84/149,906,263.32 = 61,591,271.84/x
  3. Step 3: Cross multiply
    108,631,033.84x = 149,906,263.32 × 61,591,271.84
  4. Step 4: Simplify right side
    108,631,033.84x = 9,232,917,414,660,742
  5. Step 5: Solve for x
    x = 9,232,917,414,660,742/108,631,033.84
  6. Step 6: Final answer
    x = 84,993,367.81

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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.