Home / 28,072,129,173.56-42,099,303,605.34-9,181,052,021.24

Finding the Fourth Proportional to 28,072,129,173.56, 42,099,303,605.34 and 9,181,052,021.24

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Solution

The fourth proportional to 28,072,129,173.56, 42,099,303,605.34 and 9,181,052,021.24 is: 13,768,670,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,129,173.56 : 42,099,303,605.34 = 9,181,052,021.24 : x
  2. Step 2: Convert to fraction form
    28,072,129,173.56/42,099,303,605.34 = 9,181,052,021.24/x
  3. Step 3: Cross multiply
    28,072,129,173.56x = 42,099,303,605.34 × 9,181,052,021.24
  4. Step 4: Simplify right side
    28,072,129,173.56x = 386,515,896,458,603,200,512
  5. Step 5: Solve for x
    x = 386,515,896,458,603,200,512/28,072,129,173.56
  6. Step 6: Final answer
    x = 13,768,670,486.98

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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.