Home / 194,623,676.64-268,581,385.32-105,315,621.27

Finding the Fourth Proportional to 194,623,676.64, 268,581,385.32 and 105,315,621.27

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Solution

The fourth proportional to 194,623,676.64, 268,581,385.32 and 105,315,621.27 is: 145,335,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623,676.64 : 268,581,385.32 = 105,315,621.27 : x
  2. Step 2: Convert to fraction form
    194,623,676.64/268,581,385.32 = 105,315,621.27/x
  3. Step 3: Cross multiply
    194,623,676.64x = 268,581,385.32 × 105,315,621.27
  4. Step 4: Simplify right side
    194,623,676.64x = 28,285,815,456,533,056
  5. Step 5: Solve for x
    x = 28,285,815,456,533,056/194,623,676.64
  6. Step 6: Final answer
    x = 145,335,942.39

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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.