Home / 68,380,745.56-94,356,783.30-54,477,363.40

Finding the Fourth Proportional to 68,380,745.56, 94,356,783.30 and 54,477,363.40

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Solution

The fourth proportional to 68,380,745.56, 94,356,783.30 and 54,477,363.40 is: 75,171,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,380,745.56 : 94,356,783.30 = 54,477,363.40 : x
  2. Step 2: Convert to fraction form
    68,380,745.56/94,356,783.30 = 54,477,363.40/x
  3. Step 3: Cross multiply
    68,380,745.56x = 94,356,783.30 × 54,477,363.40
  4. Step 4: Simplify right side
    68,380,745.56x = 5,140,308,773,089,151
  5. Step 5: Solve for x
    x = 5,140,308,773,089,151/68,380,745.56
  6. Step 6: Final answer
    x = 75,171,873.76

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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.