Home / 200,195,422.80-300,293,134.20-157,197,253.20

Finding the Fourth Proportional to 200,195,422.80, 300,293,134.20 and 157,197,253.20

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Solution

The fourth proportional to 200,195,422.80, 300,293,134.20 and 157,197,253.20 is: 235,795,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,195,422.80 : 300,293,134.20 = 157,197,253.20 : x
  2. Step 2: Convert to fraction form
    200,195,422.80/300,293,134.20 = 157,197,253.20/x
  3. Step 3: Cross multiply
    200,195,422.80x = 300,293,134.20 × 157,197,253.20
  4. Step 4: Simplify right side
    200,195,422.80x = 47,205,255,851,058,976
  5. Step 5: Solve for x
    x = 47,205,255,851,058,976/200,195,422.80
  6. Step 6: Final answer
    x = 235,795,879.80

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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.