Home / 204,474,950.76-306,485,240.58-155,792,308.80

Finding the Fourth Proportional to 204,474,950.76, 306,485,240.58 and 155,792,308.80

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Solution

The fourth proportional to 204,474,950.76, 306,485,240.58 and 155,792,308.80 is: 233,515,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,474,950.76 : 306,485,240.58 = 155,792,308.80 : x
  2. Step 2: Convert to fraction form
    204,474,950.76/306,485,240.58 = 155,792,308.80/x
  3. Step 3: Cross multiply
    204,474,950.76x = 306,485,240.58 × 155,792,308.80
  4. Step 4: Simplify right side
    204,474,950.76x = 47,748,043,243,081,656
  5. Step 5: Solve for x
    x = 47,748,043,243,081,656/204,474,950.76
  6. Step 6: Final answer
    x = 233,515,367.36

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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.