Home / 201,852,362.49-278,556,372.19-109,032,870.84

Finding the Fourth Proportional to 201,852,362.49, 278,556,372.19 and 109,032,870.84

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Solution

The fourth proportional to 201,852,362.49, 278,556,372.19 and 109,032,870.84 is: 150,465,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,362.49 : 278,556,372.19 = 109,032,870.84 : x
  2. Step 2: Convert to fraction form
    201,852,362.49/278,556,372.19 = 109,032,870.84/x
  3. Step 3: Cross multiply
    201,852,362.49x = 278,556,372.19 × 109,032,870.84
  4. Step 4: Simplify right side
    201,852,362.49x = 30,371,800,950,651,240
  5. Step 5: Solve for x
    x = 30,371,800,950,651,240/201,852,362.49
  6. Step 6: Final answer
    x = 150,465,422.23

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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.