Home / 277,612,775.21-383,105,633.92-153,861,423.95

Finding the Fourth Proportional to 277,612,775.21, 383,105,633.92 and 153,861,423.95

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Solution

The fourth proportional to 277,612,775.21, 383,105,633.92 and 153,861,423.95 is: 212,328,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,612,775.21 : 383,105,633.92 = 153,861,423.95 : x
  2. Step 2: Convert to fraction form
    277,612,775.21/383,105,633.92 = 153,861,423.95/x
  3. Step 3: Cross multiply
    277,612,775.21x = 383,105,633.92 × 153,861,423.95
  4. Step 4: Simplify right side
    277,612,775.21x = 58,945,178,358,771,728
  5. Step 5: Solve for x
    x = 58,945,178,358,771,728/277,612,775.21
  6. Step 6: Final answer
    x = 212,328,767.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.