Home / 35,448,413.60-53,172,620.40-20,142,912.80

Finding the Fourth Proportional to 35,448,413.60, 53,172,620.40 and 20,142,912.80

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Solution

The fourth proportional to 35,448,413.60, 53,172,620.40 and 20,142,912.80 is: 30,214,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,448,413.60 : 53,172,620.40 = 20,142,912.80 : x
  2. Step 2: Convert to fraction form
    35,448,413.60/53,172,620.40 = 20,142,912.80/x
  3. Step 3: Cross multiply
    35,448,413.60x = 53,172,620.40 × 20,142,912.80
  4. Step 4: Simplify right side
    35,448,413.60x = 1,071,051,456,064,701.12
  5. Step 5: Solve for x
    x = 1,071,051,456,064,701.12/35,448,413.60
  6. Step 6: Final answer
    x = 30,214,369.20

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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.