Home / 199,525,858.20-275,475,245.25-178,581,620.77

Finding the Fourth Proportional to 199,525,858.20, 275,475,245.25 and 178,581,620.77

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Solution

The fourth proportional to 199,525,858.20, 275,475,245.25 and 178,581,620.77 is: 246,558,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,525,858.20 : 275,475,245.25 = 178,581,620.77 : x
  2. Step 2: Convert to fraction form
    199,525,858.20/275,475,245.25 = 178,581,620.77/x
  3. Step 3: Cross multiply
    199,525,858.20x = 275,475,245.25 × 178,581,620.77
  4. Step 4: Simplify right side
    199,525,858.20x = 49,194,815,778,739,248
  5. Step 5: Solve for x
    x = 49,194,815,778,739,248/199,525,858.20
  6. Step 6: Final answer
    x = 246,558,597.58

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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.