Home / 185,288,646-277,932,977.64-126,938,786.16

Finding the Fourth Proportional to 185,288,646, 277,932,977.64 and 126,938,786.16

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Solution

The fourth proportional to 185,288,646, 277,932,977.64 and 126,938,786.16 is: 190,408,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,288,646 : 277,932,977.64 = 126,938,786.16 : x
  2. Step 2: Convert to fraction form
    185,288,646/277,932,977.64 = 126,938,786.16/x
  3. Step 3: Cross multiply
    185,288,646x = 277,932,977.64 × 126,938,786.16
  4. Step 4: Simplify right side
    185,288,646x = 35,280,474,815,456,020
  5. Step 5: Solve for x
    x = 35,280,474,815,456,020/185,288,646
  6. Step 6: Final answer
    x = 190,408,185.16

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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.