Home / 201,211,206.30-301,816,809.45-73,610,156.70

Finding the Fourth Proportional to 201,211,206.30, 301,816,809.45 and 73,610,156.70

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Solution

The fourth proportional to 201,211,206.30, 301,816,809.45 and 73,610,156.70 is: 110,415,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,211,206.30 : 301,816,809.45 = 73,610,156.70 : x
  2. Step 2: Convert to fraction form
    201,211,206.30/301,816,809.45 = 73,610,156.70/x
  3. Step 3: Cross multiply
    201,211,206.30x = 301,816,809.45 × 73,610,156.70
  4. Step 4: Simplify right side
    201,211,206.30x = 22,216,782,638,308,540
  5. Step 5: Solve for x
    x = 22,216,782,638,308,540/201,211,206.30
  6. Step 6: Final answer
    x = 110,415,235.05

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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.