Home / 268,336,362.87-402,513,512.34-74,231,523.42

Finding the Fourth Proportional to 268,336,362.87, 402,513,512.34 and 74,231,523.42

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Solution

The fourth proportional to 268,336,362.87, 402,513,512.34 and 74,231,523.42 is: 111,349,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,336,362.87 : 402,513,512.34 = 74,231,523.42 : x
  2. Step 2: Convert to fraction form
    268,336,362.87/402,513,512.34 = 74,231,523.42/x
  3. Step 3: Cross multiply
    268,336,362.87x = 402,513,512.34 × 74,231,523.42
  4. Step 4: Simplify right side
    268,336,362.87x = 29,879,191,218,133,168
  5. Step 5: Solve for x
    x = 29,879,191,218,133,168/268,336,362.87
  6. Step 6: Final answer
    x = 111,349,766.01

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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.