Home / 140,272,271,560.26-210,387,147,820.43-38,176,820,786.30

Finding the Fourth Proportional to 140,272,271,560.26, 210,387,147,820.43 and 38,176,820,786.30

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Solution

The fourth proportional to 140,272,271,560.26, 210,387,147,820.43 and 38,176,820,786.30 is: 57,259,445,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,272,271,560.26 : 210,387,147,820.43 = 38,176,820,786.30 : x
  2. Step 2: Convert to fraction form
    140,272,271,560.26/210,387,147,820.43 = 38,176,820,786.30/x
  3. Step 3: Cross multiply
    140,272,271,560.26x = 210,387,147,820.43 × 38,176,820,786.30
  4. Step 4: Simplify right side
    140,272,271,560.26x = 8,031,912,438,080,310,607,872
  5. Step 5: Solve for x
    x = 8,031,912,438,080,310,607,872/140,272,271,560.26
  6. Step 6: Final answer
    x = 57,259,445,140.09

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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.