Home / 90,061,826.44-135,094,951.36-25,365,193.78

Finding the Fourth Proportional to 90,061,826.44, 135,094,951.36 and 25,365,193.78

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Solution

The fourth proportional to 90,061,826.44, 135,094,951.36 and 25,365,193.78 is: 38,048,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,061,826.44 : 135,094,951.36 = 25,365,193.78 : x
  2. Step 2: Convert to fraction form
    90,061,826.44/135,094,951.36 = 25,365,193.78/x
  3. Step 3: Cross multiply
    90,061,826.44x = 135,094,951.36 × 25,365,193.78
  4. Step 4: Simplify right side
    90,061,826.44x = 3,426,709,619,946,075
  5. Step 5: Solve for x
    x = 3,426,709,619,946,075/90,061,826.44
  6. Step 6: Final answer
    x = 38,048,413.58

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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.