Home / 255,512,411.80-383,324,604.90-82,959,861.40

Finding the Fourth Proportional to 255,512,411.80, 383,324,604.90 and 82,959,861.40

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Solution

The fourth proportional to 255,512,411.80, 383,324,604.90 and 82,959,861.40 is: 124,457,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,512,411.80 : 383,324,604.90 = 82,959,861.40 : x
  2. Step 2: Convert to fraction form
    255,512,411.80/383,324,604.90 = 82,959,861.40/x
  3. Step 3: Cross multiply
    255,512,411.80x = 383,324,604.90 × 82,959,861.40
  4. Step 4: Simplify right side
    255,512,411.80x = 31,800,556,093,713,760
  5. Step 5: Solve for x
    x = 31,800,556,093,713,760/255,512,411.80
  6. Step 6: Final answer
    x = 124,457,970.04

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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.