Home / 201,211,236.80-301,816,855.20-73,610,187.20

Finding the Fourth Proportional to 201,211,236.80, 301,816,855.20 and 73,610,187.20

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Solution

The fourth proportional to 201,211,236.80, 301,816,855.20 and 73,610,187.20 is: 110,415,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,211,236.80 : 301,816,855.20 = 73,610,187.20 : x
  2. Step 2: Convert to fraction form
    201,211,236.80/301,816,855.20 = 73,610,187.20/x
  3. Step 3: Cross multiply
    201,211,236.80x = 301,816,855.20 × 73,610,187.20
  4. Step 4: Simplify right side
    201,211,236.80x = 22,216,795,211,387,292
  5. Step 5: Solve for x
    x = 22,216,795,211,387,292/201,211,236.80
  6. Step 6: Final answer
    x = 110,415,280.80

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1.5x scale

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.