Home / 201,211,205.80-301,816,808.70-73,610,156.20

Finding the Fourth Proportional to 201,211,205.80, 301,816,808.70 and 73,610,156.20

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Solution

The fourth proportional to 201,211,205.80, 301,816,808.70 and 73,610,156.20 is: 110,415,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,211,205.80 : 301,816,808.70 = 73,610,156.20 : x
  2. Step 2: Convert to fraction form
    201,211,205.80/301,816,808.70 = 73,610,156.20/x
  3. Step 3: Cross multiply
    201,211,205.80x = 301,816,808.70 × 73,610,156.20
  4. Step 4: Simplify right side
    201,211,205.80x = 22,216,782,432,192,520
  5. Step 5: Solve for x
    x = 22,216,782,432,192,520/201,211,205.80
  6. Step 6: Final answer
    x = 110,415,234.30

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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.