Home / 201,471,818.30-302,207,727.45-185,347,504.70

Finding the Fourth Proportional to 201,471,818.30, 302,207,727.45 and 185,347,504.70

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Solution

The fourth proportional to 201,471,818.30, 302,207,727.45 and 185,347,504.70 is: 278,021,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,471,818.30 : 302,207,727.45 = 185,347,504.70 : x
  2. Step 2: Convert to fraction form
    201,471,818.30/302,207,727.45 = 185,347,504.70/x
  3. Step 3: Cross multiply
    201,471,818.30x = 302,207,727.45 × 185,347,504.70
  4. Step 4: Simplify right side
    201,471,818.30x = 56,013,448,183,915,192
  5. Step 5: Solve for x
    x = 56,013,448,183,915,192/201,471,818.30
  6. Step 6: Final answer
    x = 278,021,257.05

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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.