Home / 259,036,782.94-388,444,568.64-149,937,259.78

Finding the Fourth Proportional to 259,036,782.94, 388,444,568.64 and 149,937,259.78

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Solution

The fourth proportional to 259,036,782.94, 388,444,568.64 and 149,937,259.78 is: 224,841,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,036,782.94 : 388,444,568.64 = 149,937,259.78 : x
  2. Step 2: Convert to fraction form
    259,036,782.94/388,444,568.64 = 149,937,259.78/x
  3. Step 3: Cross multiply
    259,036,782.94x = 388,444,568.64 × 149,937,259.78
  4. Step 4: Simplify right side
    259,036,782.94x = 58,242,314,198,305,720
  5. Step 5: Solve for x
    x = 58,242,314,198,305,720/259,036,782.94
  6. Step 6: Final answer
    x = 224,841,868.16

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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.