Home / 214,571,389.18-296,213,485.26-143,981,743.27

Finding the Fourth Proportional to 214,571,389.18, 296,213,485.26 and 143,981,743.27

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Solution

The fourth proportional to 214,571,389.18, 296,213,485.26 and 143,981,743.27 is: 198,765,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,571,389.18 : 296,213,485.26 = 143,981,743.27 : x
  2. Step 2: Convert to fraction form
    214,571,389.18/296,213,485.26 = 143,981,743.27/x
  3. Step 3: Cross multiply
    214,571,389.18x = 296,213,485.26 × 143,981,743.27
  4. Step 4: Simplify right side
    214,571,389.18x = 42,649,333,987,817,248
  5. Step 5: Solve for x
    x = 42,649,333,987,817,248/214,571,389.18
  6. Step 6: Final answer
    x = 198,765,241.49

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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.