Home / 122,595,157.62-183,893,413.70-30,478,895.78

Finding the Fourth Proportional to 122,595,157.62, 183,893,413.70 and 30,478,895.78

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Solution

The fourth proportional to 122,595,157.62, 183,893,413.70 and 30,478,895.78 is: 45,718,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,595,157.62 : 183,893,413.70 = 30,478,895.78 : x
  2. Step 2: Convert to fraction form
    122,595,157.62/183,893,413.70 = 30,478,895.78/x
  3. Step 3: Cross multiply
    122,595,157.62x = 183,893,413.70 × 30,478,895.78
  4. Step 4: Simplify right side
    122,595,157.62x = 5,604,868,190,790,724
  5. Step 5: Solve for x
    x = 5,604,868,190,790,724/122,595,157.62
  6. Step 6: Final answer
    x = 45,718,512.05

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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.