Home / 101,125,245.72-139,551,845.58-54,714,481.32

Finding the Fourth Proportional to 101,125,245.72, 139,551,845.58 and 54,714,481.32

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Solution

The fourth proportional to 101,125,245.72, 139,551,845.58 and 54,714,481.32 is: 75,505,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,125,245.72 : 139,551,845.58 = 54,714,481.32 : x
  2. Step 2: Convert to fraction form
    101,125,245.72/139,551,845.58 = 54,714,481.32/x
  3. Step 3: Cross multiply
    101,125,245.72x = 139,551,845.58 × 54,714,481.32
  4. Step 4: Simplify right side
    101,125,245.72x = 7,635,506,848,158,435
  5. Step 5: Solve for x
    x = 7,635,506,848,158,435/101,125,245.72
  6. Step 6: Final answer
    x = 75,505,446.67

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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.