Home / 262,217,962.80-393,326,944.20-89,668,911.60

Finding the Fourth Proportional to 262,217,962.80, 393,326,944.20 and 89,668,911.60

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Solution

The fourth proportional to 262,217,962.80, 393,326,944.20 and 89,668,911.60 is: 134,503,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,217,962.80 : 393,326,944.20 = 89,668,911.60 : x
  2. Step 2: Convert to fraction form
    262,217,962.80/393,326,944.20 = 89,668,911.60/x
  3. Step 3: Cross multiply
    262,217,962.80x = 393,326,944.20 × 89,668,911.60
  4. Step 4: Simplify right side
    262,217,962.80x = 35,269,198,989,367,928
  5. Step 5: Solve for x
    x = 35,269,198,989,367,928/262,217,962.80
  6. Step 6: Final answer
    x = 134,503,367.40

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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.