Home / 212,127,638.00-318,204,906.03-66,566,944.40

Finding the Fourth Proportional to 212,127,638.00, 318,204,906.03 and 66,566,944.40

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Solution

The fourth proportional to 212,127,638.00, 318,204,906.03 and 66,566,944.40 is: 99,854,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,127,638.00 : 318,204,906.03 = 66,566,944.40 : x
  2. Step 2: Convert to fraction form
    212,127,638.00/318,204,906.03 = 66,566,944.40/x
  3. Step 3: Cross multiply
    212,127,638.00x = 318,204,906.03 × 66,566,944.40
  4. Step 4: Simplify right side
    212,127,638.00x = 21,181,928,285,915,208
  5. Step 5: Solve for x
    x = 21,181,928,285,915,208/212,127,638.00
  6. Step 6: Final answer
    x = 99,854,636.98

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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.