Home / 245,525,607,441.36-338,821,761,800.52-137,140,246,990.80

Finding the Fourth Proportional to 245,525,607,441.36, 338,821,761,800.52 and 137,140,246,990.80

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Solution

The fourth proportional to 245,525,607,441.36, 338,821,761,800.52 and 137,140,246,990.80 is: 189,251,543,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,525,607,441.36 : 338,821,761,800.52 = 137,140,246,990.80 : x
  2. Step 2: Convert to fraction form
    245,525,607,441.36/338,821,761,800.52 = 137,140,246,990.80/x
  3. Step 3: Cross multiply
    245,525,607,441.36x = 338,821,761,800.52 × 137,140,246,990.80
  4. Step 4: Simplify right side
    245,525,607,441.36x = 46,466,100,099,181,317,193,728
  5. Step 5: Solve for x
    x = 46,466,100,099,181,317,193,728/245,525,607,441.36
  6. Step 6: Final answer
    x = 189,251,543,182.84

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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.