Home / 71,906,099,534.20-99,230,580,611.98-39,793,798,355.32

Finding the Fourth Proportional to 71,906,099,534.20, 99,230,580,611.98 and 39,793,798,355.32

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Solution

The fourth proportional to 71,906,099,534.20, 99,230,580,611.98 and 39,793,798,355.32 is: 54,915,532,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,906,099,534.20 : 99,230,580,611.98 = 39,793,798,355.32 : x
  2. Step 2: Convert to fraction form
    71,906,099,534.20/99,230,580,611.98 = 39,793,798,355.32/x
  3. Step 3: Cross multiply
    71,906,099,534.20x = 99,230,580,611.98 × 39,793,798,355.32
  4. Step 4: Simplify right side
    71,906,099,534.20x = 3,948,761,715,554,458,271,744
  5. Step 5: Solve for x
    x = 3,948,761,715,554,458,271,744/71,906,099,534.20
  6. Step 6: Final answer
    x = 54,915,532,077.73

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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.