Home / 255,988,395.24-353,261,329.83-138,511,131.45

Finding the Fourth Proportional to 255,988,395.24, 353,261,329.83 and 138,511,131.45

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Solution

The fourth proportional to 255,988,395.24, 353,261,329.83 and 138,511,131.45 is: 191,143,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,988,395.24 : 353,261,329.83 = 138,511,131.45 : x
  2. Step 2: Convert to fraction form
    255,988,395.24/353,261,329.83 = 138,511,131.45/x
  3. Step 3: Cross multiply
    255,988,395.24x = 353,261,329.83 × 138,511,131.45
  4. Step 4: Simplify right side
    255,988,395.24x = 48,930,626,492,284,928
  5. Step 5: Solve for x
    x = 48,930,626,492,284,928/255,988,395.24
  6. Step 6: Final answer
    x = 191,143,924.50

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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.