Home / 71,036,047.50-98,029,745.58-38,440,999.50

Finding the Fourth Proportional to 71,036,047.50, 98,029,745.58 and 38,440,999.50

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Solution

The fourth proportional to 71,036,047.50, 98,029,745.58 and 38,440,999.50 is: 53,048,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,036,047.50 : 98,029,745.58 = 38,440,999.50 : x
  2. Step 2: Convert to fraction form
    71,036,047.50/98,029,745.58 = 38,440,999.50/x
  3. Step 3: Cross multiply
    71,036,047.50x = 98,029,745.58 × 38,440,999.50
  4. Step 4: Simplify right side
    71,036,047.50x = 3,768,361,400,825,907
  5. Step 5: Solve for x
    x = 3,768,361,400,825,907/71,036,047.50
  6. Step 6: Final answer
    x = 53,048,579.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.