Home / 90,699,446,418.60-136,049,169,627.90-53,415,246,469.80

Finding the Fourth Proportional to 90,699,446,418.60, 136,049,169,627.90 and 53,415,246,469.80

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Solution

The fourth proportional to 90,699,446,418.60, 136,049,169,627.90 and 53,415,246,469.80 is: 80,122,869,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,446,418.60 : 136,049,169,627.90 = 53,415,246,469.80 : x
  2. Step 2: Convert to fraction form
    90,699,446,418.60/136,049,169,627.90 = 53,415,246,469.80/x
  3. Step 3: Cross multiply
    90,699,446,418.60x = 136,049,169,627.90 × 53,415,246,469.80
  4. Step 4: Simplify right side
    90,699,446,418.60x = 7,267,099,927,685,906,825,216
  5. Step 5: Solve for x
    x = 7,267,099,927,685,906,825,216/90,699,446,418.60
  6. Step 6: Final answer
    x = 80,122,869,704.70

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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.