Home / 238,644,718.40-329,358,381.18-144,556,104.65

Finding the Fourth Proportional to 238,644,718.40, 329,358,381.18 and 144,556,104.65

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Solution

The fourth proportional to 238,644,718.40, 329,358,381.18 and 144,556,104.65 is: 199,504,790.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,644,718.40 : 329,358,381.18 = 144,556,104.65 : x
  2. Step 2: Convert to fraction form
    238,644,718.40/329,358,381.18 = 144,556,104.65/x
  3. Step 3: Cross multiply
    238,644,718.40x = 329,358,381.18 × 144,556,104.65
  4. Step 4: Simplify right side
    238,644,718.40x = 47,610,764,617,628,104
  5. Step 5: Solve for x
    x = 47,610,764,617,628,104/238,644,718.40
  6. Step 6: Final answer
    x = 199,504,790.79

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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.