Home / 209,086,243.49-288,834,072.06-167,546,256.14

Finding the Fourth Proportional to 209,086,243.49, 288,834,072.06 and 167,546,256.14

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Solution

The fourth proportional to 209,086,243.49, 288,834,072.06 and 167,546,256.14 is: 231,450,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,086,243.49 : 288,834,072.06 = 167,546,256.14 : x
  2. Step 2: Convert to fraction form
    209,086,243.49/288,834,072.06 = 167,546,256.14/x
  3. Step 3: Cross multiply
    209,086,243.49x = 288,834,072.06 × 167,546,256.14
  4. Step 4: Simplify right side
    209,086,243.49x = 48,393,067,417,879,808
  5. Step 5: Solve for x
    x = 48,393,067,417,879,808/209,086,243.49
  6. Step 6: Final answer
    x = 231,450,269.57

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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.