Home / 277,477,772.20-382,942,840.32-153,757,257.64

Finding the Fourth Proportional to 277,477,772.20, 382,942,840.32 and 153,757,257.64

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Solution

The fourth proportional to 277,477,772.20, 382,942,840.32 and 153,757,257.64 is: 212,198,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,477,772.20 : 382,942,840.32 = 153,757,257.64 : x
  2. Step 2: Convert to fraction form
    277,477,772.20/382,942,840.32 = 153,757,257.64/x
  3. Step 3: Cross multiply
    277,477,772.20x = 382,942,840.32 × 153,757,257.64
  4. Step 4: Simplify right side
    277,477,772.20x = 58,880,240,960,475,616
  5. Step 5: Solve for x
    x = 58,880,240,960,475,616/277,477,772.20
  6. Step 6: Final answer
    x = 212,198,045.61

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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.