Home / 68,263,485.80-102,395,228.70-65,618,090.60

Finding the Fourth Proportional to 68,263,485.80, 102,395,228.70 and 65,618,090.60

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Solution

The fourth proportional to 68,263,485.80, 102,395,228.70 and 65,618,090.60 is: 98,427,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,263,485.80 : 102,395,228.70 = 65,618,090.60 : x
  2. Step 2: Convert to fraction form
    68,263,485.80/102,395,228.70 = 65,618,090.60/x
  3. Step 3: Cross multiply
    68,263,485.80x = 102,395,228.70 × 65,618,090.60
  4. Step 4: Simplify right side
    68,263,485.80x = 6,718,979,393,844,321
  5. Step 5: Solve for x
    x = 6,718,979,393,844,321/68,263,485.80
  6. Step 6: Final answer
    x = 98,427,135.90

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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.