Home / 217,820,023.60-305,174,781.20-217,820,023.60

Finding the Fourth Proportional to 217,820,023.60, 305,174,781.20 and 217,820,023.60

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Solution

The fourth proportional to 217,820,023.60, 305,174,781.20 and 217,820,023.60 is: 305,174,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,820,023.60 : 305,174,781.20 = 217,820,023.60 : x
  2. Step 2: Convert to fraction form
    217,820,023.60/305,174,781.20 = 217,820,023.60/x
  3. Step 3: Cross multiply
    217,820,023.60x = 305,174,781.20 × 217,820,023.60
  4. Step 4: Simplify right side
    217,820,023.60x = 66,473,178,043,108,832
  5. Step 5: Solve for x
    x = 66,473,178,043,108,832/217,820,023.60
  6. Step 6: Final answer
    x = 305,174,781.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.