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Finding the Fourth Proportional to 174,891,152.20, 262,336,728.30 and 53,728,630.60

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Solution

The fourth proportional to 174,891,152.20, 262,336,728.30 and 53,728,630.60 is: 80,592,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,891,152.20 : 262,336,728.30 = 53,728,630.60 : x
  2. Step 2: Convert to fraction form
    174,891,152.20/262,336,728.30 = 53,728,630.60/x
  3. Step 3: Cross multiply
    174,891,152.20x = 262,336,728.30 × 53,728,630.60
  4. Step 4: Simplify right side
    174,891,152.20x = 14,094,993,167,643,268
  5. Step 5: Solve for x
    x = 14,094,993,167,643,268/174,891,152.20
  6. Step 6: Final answer
    x = 80,592,945.90

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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.