Home / 61,101,284.80-91,671,056.16-20,189,469.48

Finding the Fourth Proportional to 61,101,284.80, 91,671,056.16 and 20,189,469.48

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Solution

The fourth proportional to 61,101,284.80, 91,671,056.16 and 20,189,469.48 is: 30,290,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,101,284.80 : 91,671,056.16 = 20,189,469.48 : x
  2. Step 2: Convert to fraction form
    61,101,284.80/91,671,056.16 = 20,189,469.48/x
  3. Step 3: Cross multiply
    61,101,284.80x = 91,671,056.16 × 20,189,469.48
  4. Step 4: Simplify right side
    61,101,284.80x = 1,850,789,990,541,686
  5. Step 5: Solve for x
    x = 1,850,789,990,541,686/61,101,284.80
  6. Step 6: Final answer
    x = 30,290,524.93

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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.