Home / 91,288,989.36-125,978,544.90-50,035,754.16

Finding the Fourth Proportional to 91,288,989.36, 125,978,544.90 and 50,035,754.16

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Solution

The fourth proportional to 91,288,989.36, 125,978,544.90 and 50,035,754.16 is: 69,049,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288,989.36 : 125,978,544.90 = 50,035,754.16 : x
  2. Step 2: Convert to fraction form
    91,288,989.36/125,978,544.90 = 50,035,754.16/x
  3. Step 3: Cross multiply
    91,288,989.36x = 125,978,544.90 × 50,035,754.16
  4. Step 4: Simplify right side
    91,288,989.36x = 6,303,431,502,050,922
  5. Step 5: Solve for x
    x = 6,303,431,502,050,922/91,288,989.36
  6. Step 6: Final answer
    x = 69,049,198.01

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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.