Home / 255,136,261.40-382,760,206.16-82,630,512.80

Finding the Fourth Proportional to 255,136,261.40, 382,760,206.16 and 82,630,512.80

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Solution

The fourth proportional to 255,136,261.40, 382,760,206.16 and 82,630,512.80 is: 123,963,845.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,136,261.40 : 382,760,206.16 = 82,630,512.80 : x
  2. Step 2: Convert to fraction form
    255,136,261.40/382,760,206.16 = 82,630,512.80/x
  3. Step 3: Cross multiply
    255,136,261.40x = 382,760,206.16 × 82,630,512.80
  4. Step 4: Simplify right side
    255,136,261.40x = 31,627,672,112,107,564
  5. Step 5: Solve for x
    x = 31,627,672,112,107,564/255,136,261.40
  6. Step 6: Final answer
    x = 123,963,845.59

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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.