Home / 217,505,314.88-326,313,959.52-64,145,176.64

Finding the Fourth Proportional to 217,505,314.88, 326,313,959.52 and 64,145,176.64

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Solution

The fourth proportional to 217,505,314.88, 326,313,959.52 and 64,145,176.64 is: 96,234,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,505,314.88 : 326,313,959.52 = 64,145,176.64 : x
  2. Step 2: Convert to fraction form
    217,505,314.88/326,313,959.52 = 64,145,176.64/x
  3. Step 3: Cross multiply
    217,505,314.88x = 326,313,959.52 × 64,145,176.64
  4. Step 4: Simplify right side
    217,505,314.88x = 20,931,466,573,508,208
  5. Step 5: Solve for x
    x = 20,931,466,573,508,208/217,505,314.88
  6. Step 6: Final answer
    x = 96,234,276.32

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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.