Home / 109,048,413.85-163,373,555.18-66,448,375.45

Finding the Fourth Proportional to 109,048,413.85, 163,373,555.18 and 66,448,375.45

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Solution

The fourth proportional to 109,048,413.85, 163,373,555.18 and 66,448,375.45 is: 99,551,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,048,413.85 : 163,373,555.18 = 66,448,375.45 : x
  2. Step 2: Convert to fraction form
    109,048,413.85/163,373,555.18 = 66,448,375.45/x
  3. Step 3: Cross multiply
    109,048,413.85x = 163,373,555.18 × 66,448,375.45
  4. Step 4: Simplify right side
    109,048,413.85x = 10,855,907,332,869,692
  5. Step 5: Solve for x
    x = 10,855,907,332,869,692/109,048,413.85
  6. Step 6: Final answer
    x = 99,551,263.05

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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.