Home / 259,222,072.85-388,833,502.97-105,868,129.29

Finding the Fourth Proportional to 259,222,072.85, 388,833,502.97 and 105,868,129.29

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Solution

The fourth proportional to 259,222,072.85, 388,833,502.97 and 105,868,129.29 is: 158,802,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,222,072.85 : 388,833,502.97 = 105,868,129.29 : x
  2. Step 2: Convert to fraction form
    259,222,072.85/388,833,502.97 = 105,868,129.29/x
  3. Step 3: Cross multiply
    259,222,072.85x = 388,833,502.97 × 105,868,129.29
  4. Step 4: Simplify right side
    259,222,072.85x = 41,165,075,565,112,256
  5. Step 5: Solve for x
    x = 41,165,075,565,112,256/259,222,072.85
  6. Step 6: Final answer
    x = 158,802,354.72

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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.