Home / 187,213,285.60-280,819,928.40-163,325,413.60

Finding the Fourth Proportional to 187,213,285.60, 280,819,928.40 and 163,325,413.60

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Solution

The fourth proportional to 187,213,285.60, 280,819,928.40 and 163,325,413.60 is: 244,988,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,213,285.60 : 280,819,928.40 = 163,325,413.60 : x
  2. Step 2: Convert to fraction form
    187,213,285.60/280,819,928.40 = 163,325,413.60/x
  3. Step 3: Cross multiply
    187,213,285.60x = 280,819,928.40 × 163,325,413.60
  4. Step 4: Simplify right side
    187,213,285.60x = 45,865,030,953,052,384
  5. Step 5: Solve for x
    x = 45,865,030,953,052,384/187,213,285.60
  6. Step 6: Final answer
    x = 244,988,120.40

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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.