Home / 194,623,678.64-268,581,388.08-105,315,623.28

Finding the Fourth Proportional to 194,623,678.64, 268,581,388.08 and 105,315,623.28

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Solution

The fourth proportional to 194,623,678.64, 268,581,388.08 and 105,315,623.28 is: 145,335,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623,678.64 : 268,581,388.08 = 105,315,623.28 : x
  2. Step 2: Convert to fraction form
    194,623,678.64/268,581,388.08 = 105,315,623.28/x
  3. Step 3: Cross multiply
    194,623,678.64x = 268,581,388.08 × 105,315,623.28
  4. Step 4: Simplify right side
    194,623,678.64x = 28,285,816,287,052,760
  5. Step 5: Solve for x
    x = 28,285,816,287,052,760/194,623,678.64
  6. Step 6: Final answer
    x = 145,335,945.17

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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.