Home / 255,104,138.12-352,054,859.06-143,602,173.86

Finding the Fourth Proportional to 255,104,138.12, 352,054,859.06 and 143,602,173.86

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Solution

The fourth proportional to 255,104,138.12, 352,054,859.06 and 143,602,173.86 is: 198,177,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,104,138.12 : 352,054,859.06 = 143,602,173.86 : x
  2. Step 2: Convert to fraction form
    255,104,138.12/352,054,859.06 = 143,602,173.86/x
  3. Step 3: Cross multiply
    255,104,138.12x = 352,054,859.06 × 143,602,173.86
  4. Step 4: Simplify right side
    255,104,138.12x = 50,555,843,078,991,920
  5. Step 5: Solve for x
    x = 50,555,843,078,991,920/255,104,138.12
  6. Step 6: Final answer
    x = 198,177,275.57

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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.