Home / 201,471,100.05-302,206,650.08-185,346,786.45

Finding the Fourth Proportional to 201,471,100.05, 302,206,650.08 and 185,346,786.45

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Solution

The fourth proportional to 201,471,100.05, 302,206,650.08 and 185,346,786.45 is: 278,020,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,471,100.05 : 302,206,650.08 = 185,346,786.45 : x
  2. Step 2: Convert to fraction form
    201,471,100.05/302,206,650.08 = 185,346,786.45/x
  3. Step 3: Cross multiply
    201,471,100.05x = 302,206,650.08 × 185,346,786.45
  4. Step 4: Simplify right side
    201,471,100.05x = 56,013,031,435,220,896
  5. Step 5: Solve for x
    x = 56,013,031,435,220,896/201,471,100.05
  6. Step 6: Final answer
    x = 278,020,179.68

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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.