Home / 103,296,408,085.80-154,944,612,128.70-28,777,892,783.40

Finding the Fourth Proportional to 103,296,408,085.80, 154,944,612,128.70 and 28,777,892,783.40

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Solution

The fourth proportional to 103,296,408,085.80, 154,944,612,128.70 and 28,777,892,783.40 is: 43,166,839,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,296,408,085.80 : 154,944,612,128.70 = 28,777,892,783.40 : x
  2. Step 2: Convert to fraction form
    103,296,408,085.80/154,944,612,128.70 = 28,777,892,783.40/x
  3. Step 3: Cross multiply
    103,296,408,085.80x = 154,944,612,128.70 × 28,777,892,783.40
  4. Step 4: Simplify right side
    103,296,408,085.80x = 4,458,979,435,205,228,494,848
  5. Step 5: Solve for x
    x = 4,458,979,435,205,228,494,848/103,296,408,085.80
  6. Step 6: Final answer
    x = 43,166,839,175.10

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Double scale
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Similar ratio
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1.5x scale

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.