Home / 393,984,003.80-590,976,005.70-106,769,667.80

Finding the Fourth Proportional to 393,984,003.80, 590,976,005.70 and 106,769,667.80

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Solution

The fourth proportional to 393,984,003.80, 590,976,005.70 and 106,769,667.80 is: 160,154,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,003.80 : 590,976,005.70 = 106,769,667.80 : x
  2. Step 2: Convert to fraction form
    393,984,003.80/590,976,005.70 = 106,769,667.80/x
  3. Step 3: Cross multiply
    393,984,003.80x = 590,976,005.70 × 106,769,667.80
  4. Step 4: Simplify right side
    393,984,003.80x = 63,098,311,806,359,912
  5. Step 5: Solve for x
    x = 63,098,311,806,359,912/393,984,003.80
  6. Step 6: Final answer
    x = 160,154,501.70

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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.