Home / 50,362,413.20-75,543,619.80-20,092,000.40

Finding the Fourth Proportional to 50,362,413.20, 75,543,619.80 and 20,092,000.40

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Solution

The fourth proportional to 50,362,413.20, 75,543,619.80 and 20,092,000.40 is: 30,138,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,362,413.20 : 75,543,619.80 = 20,092,000.40 : x
  2. Step 2: Convert to fraction form
    50,362,413.20/75,543,619.80 = 20,092,000.40/x
  3. Step 3: Cross multiply
    50,362,413.20x = 75,543,619.80 × 20,092,000.40
  4. Step 4: Simplify right side
    50,362,413.20x = 1,517,822,439,239,047.75
  5. Step 5: Solve for x
    x = 1,517,822,439,239,047.75/50,362,413.20
  6. Step 6: Final answer
    x = 30,138,000.60

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1.5x scale

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.