Home / 355,066,118.46-490,006,377.21-198,433,224

Finding the Fourth Proportional to 355,066,118.46, 490,006,377.21 and 198,433,224

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Solution

The fourth proportional to 355,066,118.46, 490,006,377.21 and 198,433,224 is: 273,846,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,066,118.46 : 490,006,377.21 = 198,433,224 : x
  2. Step 2: Convert to fraction form
    355,066,118.46/490,006,377.21 = 198,433,224/x
  3. Step 3: Cross multiply
    355,066,118.46x = 490,006,377.21 × 198,433,224
  4. Step 4: Simplify right side
    355,066,118.46x = 97,233,545,210,340,416
  5. Step 5: Solve for x
    x = 97,233,545,210,340,416/355,066,118.46
  6. Step 6: Final answer
    x = 273,846,306.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.