Home / 276,858,681.60-415,288,022.40-231,844,972.80

Finding the Fourth Proportional to 276,858,681.60, 415,288,022.40 and 231,844,972.80

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Solution

The fourth proportional to 276,858,681.60, 415,288,022.40 and 231,844,972.80 is: 347,767,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,858,681.60 : 415,288,022.40 = 231,844,972.80 : x
  2. Step 2: Convert to fraction form
    276,858,681.60/415,288,022.40 = 231,844,972.80/x
  3. Step 3: Cross multiply
    276,858,681.60x = 415,288,022.40 × 231,844,972.80
  4. Step 4: Simplify right side
    276,858,681.60x = 96,282,440,257,493,792
  5. Step 5: Solve for x
    x = 96,282,440,257,493,792/276,858,681.60
  6. Step 6: Final answer
    x = 347,767,459.20

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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.