Home / 200,202,406.80-300,303,610.20-157,204,237.20

Finding the Fourth Proportional to 200,202,406.80, 300,303,610.20 and 157,204,237.20

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Solution

The fourth proportional to 200,202,406.80, 300,303,610.20 and 157,204,237.20 is: 235,806,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,202,406.80 : 300,303,610.20 = 157,204,237.20 : x
  2. Step 2: Convert to fraction form
    200,202,406.80/300,303,610.20 = 157,204,237.20/x
  3. Step 3: Cross multiply
    200,202,406.80x = 300,303,610.20 × 157,204,237.20
  4. Step 4: Simplify right side
    200,202,406.80x = 47,208,999,969,897,136
  5. Step 5: Solve for x
    x = 47,208,999,969,897,136/200,202,406.80
  6. Step 6: Final answer
    x = 235,806,355.80

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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.