Home / 201,979,410.48-303,023,090.16-72,588,141.60

Finding the Fourth Proportional to 201,979,410.48, 303,023,090.16 and 72,588,141.60

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Solution

The fourth proportional to 201,979,410.48, 303,023,090.16 and 72,588,141.60 is: 108,901,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,979,410.48 : 303,023,090.16 = 72,588,141.60 : x
  2. Step 2: Convert to fraction form
    201,979,410.48/303,023,090.16 = 72,588,141.60/x
  3. Step 3: Cross multiply
    201,979,410.48x = 303,023,090.16 × 72,588,141.60
  4. Step 4: Simplify right side
    201,979,410.48x = 21,995,882,976,603,648
  5. Step 5: Solve for x
    x = 21,995,882,976,603,648/201,979,410.48
  6. Step 6: Final answer
    x = 108,901,609.94

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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.