Home / 85,083,583.35-127,625,375.03-83,194,015.35

Finding the Fourth Proportional to 85,083,583.35, 127,625,375.03 and 83,194,015.35

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Solution

The fourth proportional to 85,083,583.35, 127,625,375.03 and 83,194,015.35 is: 124,791,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,083,583.35 : 127,625,375.03 = 83,194,015.35 : x
  2. Step 2: Convert to fraction form
    85,083,583.35/127,625,375.03 = 83,194,015.35/x
  3. Step 3: Cross multiply
    85,083,583.35x = 127,625,375.03 × 83,194,015.35
  4. Step 4: Simplify right side
    85,083,583.35x = 10,617,667,408,879,356
  5. Step 5: Solve for x
    x = 10,617,667,408,879,356/85,083,583.35
  6. Step 6: Final answer
    x = 124,791,023.03

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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.