Home / 72,455,449.20-108,683,173.80-48,268,978.80

Finding the Fourth Proportional to 72,455,449.20, 108,683,173.80 and 48,268,978.80

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Solution

The fourth proportional to 72,455,449.20, 108,683,173.80 and 48,268,978.80 is: 72,403,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,455,449.20 : 108,683,173.80 = 48,268,978.80 : x
  2. Step 2: Convert to fraction form
    72,455,449.20/108,683,173.80 = 48,268,978.80/x
  3. Step 3: Cross multiply
    72,455,449.20x = 108,683,173.80 × 48,268,978.80
  4. Step 4: Simplify right side
    72,455,449.20x = 5,246,025,812,068,915
  5. Step 5: Solve for x
    x = 5,246,025,812,068,915/72,455,449.20
  6. Step 6: Final answer
    x = 72,403,468.20

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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.