Home / 36,109,122,945.35-54,116,566,860.13-20,172,815,701.35

Finding the Fourth Proportional to 36,109,122,945.35, 54,116,566,860.13 and 20,172,815,701.35

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Solution

The fourth proportional to 36,109,122,945.35, 54,116,566,860.13 and 20,172,815,701.35 is: 30,232,900,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109,122,945.35 : 54,116,566,860.13 = 20,172,815,701.35 : x
  2. Step 2: Convert to fraction form
    36,109,122,945.35/54,116,566,860.13 = 20,172,815,701.35/x
  3. Step 3: Cross multiply
    36,109,122,945.35x = 54,116,566,860.13 × 20,172,815,701.35
  4. Step 4: Simplify right side
    36,109,122,945.35x = 1,091,683,529,658,998,587,392
  5. Step 5: Solve for x
    x = 1,091,683,529,658,998,587,392/36,109,122,945.35
  6. Step 6: Final answer
    x = 30,232,900,735.67

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Double scale
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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.