Home / 173,791,639.80-260,834,426.10-71,628,996.60

Finding the Fourth Proportional to 173,791,639.80, 260,834,426.10 and 71,628,996.60

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Solution

The fourth proportional to 173,791,639.80, 260,834,426.10 and 71,628,996.60 is: 107,504,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,791,639.80 : 260,834,426.10 = 71,628,996.60 : x
  2. Step 2: Convert to fraction form
    173,791,639.80/260,834,426.10 = 71,628,996.60/x
  3. Step 3: Cross multiply
    173,791,639.80x = 260,834,426.10 × 71,628,996.60
  4. Step 4: Simplify right side
    173,791,639.80x = 18,683,308,220,279,848
  5. Step 5: Solve for x
    x = 18,683,308,220,279,848/173,791,639.80
  6. Step 6: Final answer
    x = 107,504,067.75

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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.