Home / 262,008,002.80-393,012,004.20-89,458,951.60

Finding the Fourth Proportional to 262,008,002.80, 393,012,004.20 and 89,458,951.60

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Solution

The fourth proportional to 262,008,002.80, 393,012,004.20 and 89,458,951.60 is: 134,188,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,008,002.80 : 393,012,004.20 = 89,458,951.60 : x
  2. Step 2: Convert to fraction form
    262,008,002.80/393,012,004.20 = 89,458,951.60/x
  3. Step 3: Cross multiply
    262,008,002.80x = 393,012,004.20 × 89,458,951.60
  4. Step 4: Simplify right side
    262,008,002.80x = 35,158,441,861,946,792
  5. Step 5: Solve for x
    x = 35,158,441,861,946,792/262,008,002.80
  6. Step 6: Final answer
    x = 134,188,427.40

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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.