Home / 99,291,405.20-148,958,653.08-30,202,413.08

Finding the Fourth Proportional to 99,291,405.20, 148,958,653.08 and 30,202,413.08

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Solution

The fourth proportional to 99,291,405.20, 148,958,653.08 and 30,202,413.08 is: 45,310,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,291,405.20 : 148,958,653.08 = 30,202,413.08 : x
  2. Step 2: Convert to fraction form
    99,291,405.20/148,958,653.08 = 30,202,413.08/x
  3. Step 3: Cross multiply
    99,291,405.20x = 148,958,653.08 × 30,202,413.08
  4. Step 4: Simplify right side
    99,291,405.20x = 4,498,910,772,162,574.50
  5. Step 5: Solve for x
    x = 4,498,910,772,162,574.50/99,291,405.20
  6. Step 6: Final answer
    x = 45,310,173.25

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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.