Home / 51,091,181.76-76,670,620.25-28,078,187.21

Finding the Fourth Proportional to 51,091,181.76, 76,670,620.25 and 28,078,187.21

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Solution

The fourth proportional to 51,091,181.76, 76,670,620.25 and 28,078,187.21 is: 42,135,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,091,181.76 : 76,670,620.25 = 28,078,187.21 : x
  2. Step 2: Convert to fraction form
    51,091,181.76/76,670,620.25 = 28,078,187.21/x
  3. Step 3: Cross multiply
    51,091,181.76x = 76,670,620.25 × 28,078,187.21
  4. Step 4: Simplify right side
    51,091,181.76x = 2,152,772,028,886,317
  5. Step 5: Solve for x
    x = 2,152,772,028,886,317/51,091,181.76
  6. Step 6: Final answer
    x = 42,135,882.45

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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.