Home / 259,311,606.51-388,968,068.60-105,957,662.95

Finding the Fourth Proportional to 259,311,606.51, 388,968,068.60 and 105,957,662.95

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Solution

The fourth proportional to 259,311,606.51, 388,968,068.60 and 105,957,662.95 is: 158,936,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,311,606.51 : 388,968,068.60 = 105,957,662.95 : x
  2. Step 2: Convert to fraction form
    259,311,606.51/388,968,068.60 = 105,957,662.95/x
  3. Step 3: Cross multiply
    259,311,606.51x = 388,968,068.60 × 105,957,662.95
  4. Step 4: Simplify right side
    259,311,606.51x = 41,214,147,511,031,280
  5. Step 5: Solve for x
    x = 41,214,147,511,031,280/259,311,606.51
  6. Step 6: Final answer
    x = 158,936,763.63

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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.