Home / 154,342,569.28-231,392,604.48-105,673,200.88

Finding the Fourth Proportional to 154,342,569.28, 231,392,604.48 and 105,673,200.88

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Solution

The fourth proportional to 154,342,569.28, 231,392,604.48 and 105,673,200.88 is: 158,426,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,342,569.28 : 231,392,604.48 = 105,673,200.88 : x
  2. Step 2: Convert to fraction form
    154,342,569.28/231,392,604.48 = 105,673,200.88/x
  3. Step 3: Cross multiply
    154,342,569.28x = 231,392,604.48 × 105,673,200.88
  4. Step 4: Simplify right side
    154,342,569.28x = 24,451,997,175,361,424
  5. Step 5: Solve for x
    x = 24,451,997,175,361,424/154,342,569.28
  6. Step 6: Final answer
    x = 158,426,785.88

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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.