Home / 248,840,390.80-373,260,586.20-67,105,939.60

Finding the Fourth Proportional to 248,840,390.80, 373,260,586.20 and 67,105,939.60

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Solution

The fourth proportional to 248,840,390.80, 373,260,586.20 and 67,105,939.60 is: 100,658,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,840,390.80 : 373,260,586.20 = 67,105,939.60 : x
  2. Step 2: Convert to fraction form
    248,840,390.80/373,260,586.20 = 67,105,939.60/x
  3. Step 3: Cross multiply
    248,840,390.80x = 373,260,586.20 × 67,105,939.60
  4. Step 4: Simplify right side
    248,840,390.80x = 25,048,002,352,597,792
  5. Step 5: Solve for x
    x = 25,048,002,352,597,792/248,840,390.80
  6. Step 6: Final answer
    x = 100,658,909.40

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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.