Home / 201,211,219.80-301,816,829.70-73,610,170.20

Finding the Fourth Proportional to 201,211,219.80, 301,816,829.70 and 73,610,170.20

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Solution

The fourth proportional to 201,211,219.80, 301,816,829.70 and 73,610,170.20 is: 110,415,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,211,219.80 : 301,816,829.70 = 73,610,170.20 : x
  2. Step 2: Convert to fraction form
    201,211,219.80/301,816,829.70 = 73,610,170.20/x
  3. Step 3: Cross multiply
    201,211,219.80x = 301,816,829.70 × 73,610,170.20
  4. Step 4: Simplify right side
    201,211,219.80x = 22,216,788,203,441,416
  5. Step 5: Solve for x
    x = 22,216,788,203,441,416/201,211,219.80
  6. Step 6: Final answer
    x = 110,415,255.30

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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.