Home / 201,852,556.88-278,556,640.67-109,033,065.63

Finding the Fourth Proportional to 201,852,556.88, 278,556,640.67 and 109,033,065.63

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Solution

The fourth proportional to 201,852,556.88, 278,556,640.67 and 109,033,065.63 is: 150,465,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,556.88 : 278,556,640.67 = 109,033,065.63 : x
  2. Step 2: Convert to fraction form
    201,852,556.88/278,556,640.67 = 109,033,065.63/x
  3. Step 3: Cross multiply
    201,852,556.88x = 278,556,640.67 × 109,033,065.63
  4. Step 4: Simplify right side
    201,852,556.88x = 30,371,884,484,117,020
  5. Step 5: Solve for x
    x = 30,371,884,484,117,020/201,852,556.88
  6. Step 6: Final answer
    x = 150,465,691.17

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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.