Home / 100,853,271.14-139,182,685.89-61,682,745.02

Finding the Fourth Proportional to 100,853,271.14, 139,182,685.89 and 61,682,745.02

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Solution

The fourth proportional to 100,853,271.14, 139,182,685.89 and 61,682,745.02 is: 85,125,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,853,271.14 : 139,182,685.89 = 61,682,745.02 : x
  2. Step 2: Convert to fraction form
    100,853,271.14/139,182,685.89 = 61,682,745.02/x
  3. Step 3: Cross multiply
    100,853,271.14x = 139,182,685.89 × 61,682,745.02
  4. Step 4: Simplify right side
    100,853,271.14x = 8,585,170,124,951,621
  5. Step 5: Solve for x
    x = 8,585,170,124,951,621/100,853,271.14
  6. Step 6: Final answer
    x = 85,125,351.19

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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.