Home / 194,623,674.65-268,581,382.55-105,315,619.26

Finding the Fourth Proportional to 194,623,674.65, 268,581,382.55 and 105,315,619.26

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Solution

The fourth proportional to 194,623,674.65, 268,581,382.55 and 105,315,619.26 is: 145,335,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623,674.65 : 268,581,382.55 = 105,315,619.26 : x
  2. Step 2: Convert to fraction form
    194,623,674.65/268,581,382.55 = 105,315,619.26/x
  3. Step 3: Cross multiply
    194,623,674.65x = 268,581,382.55 × 105,315,619.26
  4. Step 4: Simplify right side
    194,623,674.65x = 28,285,814,624,960,212
  5. Step 5: Solve for x
    x = 28,285,814,624,960,212/194,623,674.65
  6. Step 6: Final answer
    x = 145,335,939.61

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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.