Home / 200,958,413.40-301,437,620.10-199,257,802.20

Finding the Fourth Proportional to 200,958,413.40, 301,437,620.10 and 199,257,802.20

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Solution

The fourth proportional to 200,958,413.40, 301,437,620.10 and 199,257,802.20 is: 298,886,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,958,413.40 : 301,437,620.10 = 199,257,802.20 : x
  2. Step 2: Convert to fraction form
    200,958,413.40/301,437,620.10 = 199,257,802.20/x
  3. Step 3: Cross multiply
    200,958,413.40x = 301,437,620.10 × 199,257,802.20
  4. Step 4: Simplify right side
    200,958,413.40x = 60,063,797,681,524,544
  5. Step 5: Solve for x
    x = 60,063,797,681,524,544/200,958,413.40
  6. Step 6: Final answer
    x = 298,886,703.30

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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.