Home / 108,804,800.40-163,112,722.20-65,628,171.60

Finding the Fourth Proportional to 108,804,800.40, 163,112,722.20 and 65,628,171.60

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Solution

The fourth proportional to 108,804,800.40, 163,112,722.20 and 65,628,171.60 is: 98,385,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,804,800.40 : 163,112,722.20 = 65,628,171.60 : x
  2. Step 2: Convert to fraction form
    108,804,800.40/163,112,722.20 = 65,628,171.60/x
  3. Step 3: Cross multiply
    108,804,800.40x = 163,112,722.20 × 65,628,171.60
  4. Step 4: Simplify right side
    108,804,800.40x = 10,704,789,722,684,728
  5. Step 5: Solve for x
    x = 10,704,789,722,684,728/108,804,800.40
  6. Step 6: Final answer
    x = 98,385,270.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.