Home / 35,448,413.10-53,172,619.65-20,142,912.30

Finding the Fourth Proportional to 35,448,413.10, 53,172,619.65 and 20,142,912.30

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Solution

The fourth proportional to 35,448,413.10, 53,172,619.65 and 20,142,912.30 is: 30,214,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,448,413.10 : 53,172,619.65 = 20,142,912.30 : x
  2. Step 2: Convert to fraction form
    35,448,413.10/53,172,619.65 = 20,142,912.30/x
  3. Step 3: Cross multiply
    35,448,413.10x = 53,172,619.65 × 20,142,912.30
  4. Step 4: Simplify right side
    35,448,413.10x = 1,071,051,414,371,206.75
  5. Step 5: Solve for x
    x = 1,071,051,414,371,206.75/35,448,413.10
  6. Step 6: Final answer
    x = 30,214,368.45

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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.