Home / 248,662,907.30-372,913,648.81-82,621,821.35

Finding the Fourth Proportional to 248,662,907.30, 372,913,648.81 and 82,621,821.35

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Solution

The fourth proportional to 248,662,907.30, 372,913,648.81 and 82,621,821.35 is: 123,905,914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,662,907.30 : 372,913,648.81 = 82,621,821.35 : x
  2. Step 2: Convert to fraction form
    248,662,907.30/372,913,648.81 = 82,621,821.35/x
  3. Step 3: Cross multiply
    248,662,907.30x = 372,913,648.81 × 82,621,821.35
  4. Step 4: Simplify right side
    248,662,907.30x = 30,810,804,871,682,192
  5. Step 5: Solve for x
    x = 30,810,804,871,682,192/248,662,907.30
  6. Step 6: Final answer
    x = 123,905,914.26

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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.