Home / 281,556,605.82-388,563,344.55-157,837,024.38

Finding the Fourth Proportional to 281,556,605.82, 388,563,344.55 and 157,837,024.38

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Solution

The fourth proportional to 281,556,605.82, 388,563,344.55 and 157,837,024.38 is: 217,823,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,556,605.82 : 388,563,344.55 = 157,837,024.38 : x
  2. Step 2: Convert to fraction form
    281,556,605.82/388,563,344.55 = 157,837,024.38/x
  3. Step 3: Cross multiply
    281,556,605.82x = 388,563,344.55 × 157,837,024.38
  4. Step 4: Simplify right side
    281,556,605.82x = 61,329,682,086,912,688
  5. Step 5: Solve for x
    x = 61,329,682,086,912,688/281,556,605.82
  6. Step 6: Final answer
    x = 217,823,630.56

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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.