Home / 194,623,684.92-268,581,396.69-105,315,629.54

Finding the Fourth Proportional to 194,623,684.92, 268,581,396.69 and 105,315,629.54

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Solution

The fourth proportional to 194,623,684.92, 268,581,396.69 and 105,315,629.54 is: 145,335,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623,684.92 : 268,581,396.69 = 105,315,629.54 : x
  2. Step 2: Convert to fraction form
    194,623,684.92/268,581,396.69 = 105,315,629.54/x
  3. Step 3: Cross multiply
    194,623,684.92x = 268,581,396.69 × 105,315,629.54
  4. Step 4: Simplify right side
    194,623,684.92x = 28,285,818,873,796,916
  5. Step 5: Solve for x
    x = 28,285,818,873,796,916/194,623,684.92
  6. Step 6: Final answer
    x = 145,335,953.77

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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.