Home / 263,405,049.08-395,076,790.86-105,831,675.94

Finding the Fourth Proportional to 263,405,049.08, 395,076,790.86 and 105,831,675.94

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Solution

The fourth proportional to 263,405,049.08, 395,076,790.86 and 105,831,675.94 is: 158,735,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,405,049.08 : 395,076,790.86 = 105,831,675.94 : x
  2. Step 2: Convert to fraction form
    263,405,049.08/395,076,790.86 = 105,831,675.94/x
  3. Step 3: Cross multiply
    263,405,049.08x = 395,076,790.86 × 105,831,675.94
  4. Step 4: Simplify right side
    263,405,049.08x = 41,811,638,901,710,672
  5. Step 5: Solve for x
    x = 41,811,638,901,710,672/263,405,049.08
  6. Step 6: Final answer
    x = 158,735,145.92

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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.