Home / 288,861,720.08-398,629,173.70-165,105,054.41

Finding the Fourth Proportional to 288,861,720.08, 398,629,173.70 and 165,105,054.41

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Solution

The fourth proportional to 288,861,720.08, 398,629,173.70 and 165,105,054.41 is: 227,844,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,861,720.08 : 398,629,173.70 = 165,105,054.41 : x
  2. Step 2: Convert to fraction form
    288,861,720.08/398,629,173.70 = 165,105,054.41/x
  3. Step 3: Cross multiply
    288,861,720.08x = 398,629,173.70 × 165,105,054.41
  4. Step 4: Simplify right side
    288,861,720.08x = 65,815,691,413,151,840
  5. Step 5: Solve for x
    x = 65,815,691,413,151,840/288,861,720.08
  6. Step 6: Final answer
    x = 227,844,975.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.