Home / 217,736,884.32-326,491,920-102,690,536.64

Finding the Fourth Proportional to 217,736,884.32, 326,491,920 and 102,690,536.64

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Solution

The fourth proportional to 217,736,884.32, 326,491,920 and 102,690,536.64 is: 153,982,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,736,884.32 : 326,491,920 = 102,690,536.64 : x
  2. Step 2: Convert to fraction form
    217,736,884.32/326,491,920 = 102,690,536.64/x
  3. Step 3: Cross multiply
    217,736,884.32x = 326,491,920 × 102,690,536.64
  4. Step 4: Simplify right side
    217,736,884.32x = 33,527,630,473,423,948
  5. Step 5: Solve for x
    x = 33,527,630,473,423,948/217,736,884.32
  6. Step 6: Final answer
    x = 153,982,319.43

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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.