Home / 200,228,002.35-300,342,003.53-85,183,637.55

Finding the Fourth Proportional to 200,228,002.35, 300,342,003.53 and 85,183,637.55

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Solution

The fourth proportional to 200,228,002.35, 300,342,003.53 and 85,183,637.55 is: 127,775,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,228,002.35 : 300,342,003.53 = 85,183,637.55 : x
  2. Step 2: Convert to fraction form
    200,228,002.35/300,342,003.53 = 85,183,637.55/x
  3. Step 3: Cross multiply
    200,228,002.35x = 300,342,003.53 × 85,183,637.55
  4. Step 4: Simplify right side
    200,228,002.35x = 25,584,224,369,314,420
  5. Step 5: Solve for x
    x = 25,584,224,369,314,420/200,228,002.35
  6. Step 6: Final answer
    x = 127,775,456.33

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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.