Home / 73,868,136.80-110,802,205.20-67,915,997.60

Finding the Fourth Proportional to 73,868,136.80, 110,802,205.20 and 67,915,997.60

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Solution

The fourth proportional to 73,868,136.80, 110,802,205.20 and 67,915,997.60 is: 101,873,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,868,136.80 : 110,802,205.20 = 67,915,997.60 : x
  2. Step 2: Convert to fraction form
    73,868,136.80/110,802,205.20 = 67,915,997.60/x
  3. Step 3: Cross multiply
    73,868,136.80x = 110,802,205.20 × 67,915,997.60
  4. Step 4: Simplify right side
    73,868,136.80x = 7,525,242,302,437,907
  5. Step 5: Solve for x
    x = 7,525,242,302,437,907/73,868,136.80
  6. Step 6: Final answer
    x = 101,873,996.40

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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.