Home / 170,413,335.40-255,620,003.10-143,203,556.20

Finding the Fourth Proportional to 170,413,335.40, 255,620,003.10 and 143,203,556.20

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Solution

The fourth proportional to 170,413,335.40, 255,620,003.10 and 143,203,556.20 is: 214,805,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,413,335.40 : 255,620,003.10 = 143,203,556.20 : x
  2. Step 2: Convert to fraction form
    170,413,335.40/255,620,003.10 = 143,203,556.20/x
  3. Step 3: Cross multiply
    170,413,335.40x = 255,620,003.10 × 143,203,556.20
  4. Step 4: Simplify right side
    170,413,335.40x = 36,605,693,479,775,024
  5. Step 5: Solve for x
    x = 36,605,693,479,775,024/170,413,335.40
  6. Step 6: Final answer
    x = 214,805,334.30

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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.