Home / 259,206,370.16-388,809,929.44-105,852,426.58

Finding the Fourth Proportional to 259,206,370.16, 388,809,929.44 and 105,852,426.58

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Solution

The fourth proportional to 259,206,370.16, 388,809,929.44 and 105,852,426.58 is: 158,778,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,206,370.16 : 388,809,929.44 = 105,852,426.58 : x
  2. Step 2: Convert to fraction form
    259,206,370.16/388,809,929.44 = 105,852,426.58/x
  3. Step 3: Cross multiply
    259,206,370.16x = 388,809,929.44 × 105,852,426.58
  4. Step 4: Simplify right side
    259,206,370.16x = 41,156,474,509,622,576
  5. Step 5: Solve for x
    x = 41,156,474,509,622,576/259,206,370.16
  6. Step 6: Final answer
    x = 158,778,792.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.