Home / 217,725,429.60-326,588,144.40-201,097,231.20

Finding the Fourth Proportional to 217,725,429.60, 326,588,144.40 and 201,097,231.20

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Solution

The fourth proportional to 217,725,429.60, 326,588,144.40 and 201,097,231.20 is: 301,645,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,725,429.60 : 326,588,144.40 = 201,097,231.20 : x
  2. Step 2: Convert to fraction form
    217,725,429.60/326,588,144.40 = 201,097,231.20/x
  3. Step 3: Cross multiply
    217,725,429.60x = 326,588,144.40 × 201,097,231.20
  4. Step 4: Simplify right side
    217,725,429.60x = 65,675,971,581,585,776
  5. Step 5: Solve for x
    x = 65,675,971,581,585,776/217,725,429.60
  6. Step 6: Final answer
    x = 301,645,846.80

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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.