Home / 256,609,872.60-384,158,981.70-241,661,290.20

Finding the Fourth Proportional to 256,609,872.60, 384,158,981.70 and 241,661,290.20

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Solution

The fourth proportional to 256,609,872.60, 384,158,981.70 and 241,661,290.20 is: 361,780,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,609,872.60 : 384,158,981.70 = 241,661,290.20 : x
  2. Step 2: Convert to fraction form
    256,609,872.60/384,158,981.70 = 241,661,290.20/x
  3. Step 3: Cross multiply
    256,609,872.60x = 384,158,981.70 × 241,661,290.20
  4. Step 4: Simplify right side
    256,609,872.60x = 92,836,355,159,540,176
  5. Step 5: Solve for x
    x = 92,836,355,159,540,176/256,609,872.60
  6. Step 6: Final answer
    x = 361,780,138.15

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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.