Home / 74,401,885.80-111,605,939.10-39,843,786.60

Finding the Fourth Proportional to 74,401,885.80, 111,605,939.10 and 39,843,786.60

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Solution

The fourth proportional to 74,401,885.80, 111,605,939.10 and 39,843,786.60 is: 59,767,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,401,885.80 : 111,605,939.10 = 39,843,786.60 : x
  2. Step 2: Convert to fraction form
    74,401,885.80/111,605,939.10 = 39,843,786.60/x
  3. Step 3: Cross multiply
    74,401,885.80x = 111,605,939.10 × 39,843,786.60
  4. Step 4: Simplify right side
    74,401,885.80x = 4,446,803,220,792,996
  5. Step 5: Solve for x
    x = 4,446,803,220,792,996/74,401,885.80
  6. Step 6: Final answer
    x = 59,767,345.59

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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.