Home / 262,300,931.20-393,451,396.80-125,953,436.80

Finding the Fourth Proportional to 262,300,931.20, 393,451,396.80 and 125,953,436.80

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Solution

The fourth proportional to 262,300,931.20, 393,451,396.80 and 125,953,436.80 is: 188,930,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,300,931.20 : 393,451,396.80 = 125,953,436.80 : x
  2. Step 2: Convert to fraction form
    262,300,931.20/393,451,396.80 = 125,953,436.80/x
  3. Step 3: Cross multiply
    262,300,931.20x = 393,451,396.80 × 125,953,436.80
  4. Step 4: Simplify right side
    262,300,931.20x = 49,556,555,640,720,520
  5. Step 5: Solve for x
    x = 49,556,555,640,720,520/262,300,931.20
  6. Step 6: Final answer
    x = 188,930,155.20

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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.