Home / 42,728,600.70-58,965,389.16-23,149,975.68

Finding the Fourth Proportional to 42,728,600.70, 58,965,389.16 and 23,149,975.68

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Solution

The fourth proportional to 42,728,600.70, 58,965,389.16 and 23,149,975.68 is: 31,946,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,728,600.70 : 58,965,389.16 = 23,149,975.68 : x
  2. Step 2: Convert to fraction form
    42,728,600.70/58,965,389.16 = 23,149,975.68/x
  3. Step 3: Cross multiply
    42,728,600.70x = 58,965,389.16 × 23,149,975.68
  4. Step 4: Simplify right side
    42,728,600.70x = 1,365,047,325,015,735.50
  5. Step 5: Solve for x
    x = 1,365,047,325,015,735.50/42,728,600.70
  6. Step 6: Final answer
    x = 31,946,923.20

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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.