Home / 213,617,461.80-320,426,192.70-132,995,893.80

Finding the Fourth Proportional to 213,617,461.80, 320,426,192.70 and 132,995,893.80

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Solution

The fourth proportional to 213,617,461.80, 320,426,192.70 and 132,995,893.80 is: 199,493,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,617,461.80 : 320,426,192.70 = 132,995,893.80 : x
  2. Step 2: Convert to fraction form
    213,617,461.80/320,426,192.70 = 132,995,893.80/x
  3. Step 3: Cross multiply
    213,617,461.80x = 320,426,192.70 × 132,995,893.80
  4. Step 4: Simplify right side
    213,617,461.80x = 42,615,367,895,067,536
  5. Step 5: Solve for x
    x = 42,615,367,895,067,536/213,617,461.80
  6. Step 6: Final answer
    x = 199,493,840.70

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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.