Home / 85,030,740,755.46-117,345,987,131.85-48,901,801,390.20

Finding the Fourth Proportional to 85,030,740,755.46, 117,345,987,131.85 and 48,901,801,390.20

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Solution

The fourth proportional to 85,030,740,755.46, 117,345,987,131.85 and 48,901,801,390.20 is: 67,486,536,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,030,740,755.46 : 117,345,987,131.85 = 48,901,801,390.20 : x
  2. Step 2: Convert to fraction form
    85,030,740,755.46/117,345,987,131.85 = 48,901,801,390.20/x
  3. Step 3: Cross multiply
    85,030,740,755.46x = 117,345,987,131.85 × 48,901,801,390.20
  4. Step 4: Simplify right side
    85,030,740,755.46x = 5,738,430,156,658,693,898,240
  5. Step 5: Solve for x
    x = 5,738,430,156,658,693,898,240/85,030,740,755.46
  6. Step 6: Final answer
    x = 67,486,536,112.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.