Home / 217,512,000.30-326,268,000.45-131,515,661.10

Finding the Fourth Proportional to 217,512,000.30, 326,268,000.45 and 131,515,661.10

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Solution

The fourth proportional to 217,512,000.30, 326,268,000.45 and 131,515,661.10 is: 197,273,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,512,000.30 : 326,268,000.45 = 131,515,661.10 : x
  2. Step 2: Convert to fraction form
    217,512,000.30/326,268,000.45 = 131,515,661.10/x
  3. Step 3: Cross multiply
    217,512,000.30x = 326,268,000.45 × 131,515,661.10
  4. Step 4: Simplify right side
    217,512,000.30x = 42,909,351,774,956,840
  5. Step 5: Solve for x
    x = 42,909,351,774,956,840/217,512,000.30
  6. Step 6: Final answer
    x = 197,273,491.65

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1.5x scale

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.