Home / 393,984,112.80-590,976,169.20-106,769,776.80

Finding the Fourth Proportional to 393,984,112.80, 590,976,169.20 and 106,769,776.80

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Solution

The fourth proportional to 393,984,112.80, 590,976,169.20 and 106,769,776.80 is: 160,154,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,112.80 : 590,976,169.20 = 106,769,776.80 : x
  2. Step 2: Convert to fraction form
    393,984,112.80/590,976,169.20 = 106,769,776.80/x
  3. Step 3: Cross multiply
    393,984,112.80x = 590,976,169.20 × 106,769,776.80
  4. Step 4: Simplify right side
    393,984,112.80x = 63,098,393,679,603,040
  5. Step 5: Solve for x
    x = 63,098,393,679,603,040/393,984,112.80
  6. Step 6: Final answer
    x = 160,154,665.20

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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.