Home / 325,942,679.60-488,914,019.40-107,626,716.80

Finding the Fourth Proportional to 325,942,679.60, 488,914,019.40 and 107,626,716.80

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Solution

The fourth proportional to 325,942,679.60, 488,914,019.40 and 107,626,716.80 is: 161,440,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,942,679.60 : 488,914,019.40 = 107,626,716.80 : x
  2. Step 2: Convert to fraction form
    325,942,679.60/488,914,019.40 = 107,626,716.80/x
  3. Step 3: Cross multiply
    325,942,679.60x = 488,914,019.40 × 107,626,716.80
  4. Step 4: Simplify right side
    325,942,679.60x = 52,620,210,705,513,504
  5. Step 5: Solve for x
    x = 52,620,210,705,513,504/325,942,679.60
  6. Step 6: Final answer
    x = 161,440,075.20

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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.