Home / 217,765,010.80-326,647,516.20-201,136,812.40

Finding the Fourth Proportional to 217,765,010.80, 326,647,516.20 and 201,136,812.40

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Solution

The fourth proportional to 217,765,010.80, 326,647,516.20 and 201,136,812.40 is: 301,705,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,765,010.80 : 326,647,516.20 = 201,136,812.40 : x
  2. Step 2: Convert to fraction form
    217,765,010.80/326,647,516.20 = 201,136,812.40/x
  3. Step 3: Cross multiply
    217,765,010.80x = 326,647,516.20 × 201,136,812.40
  4. Step 4: Simplify right side
    217,765,010.80x = 65,700,840,186,845,360
  5. Step 5: Solve for x
    x = 65,700,840,186,845,360/217,765,010.80
  6. Step 6: Final answer
    x = 301,705,218.60

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1.5x scale

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.