Home / 199,357,179,154.86-275,112,920,656.12-109,136,632,780.21

Finding the Fourth Proportional to 199,357,179,154.86, 275,112,920,656.12 and 109,136,632,780.21

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Solution

The fourth proportional to 199,357,179,154.86, 275,112,920,656.12 and 109,136,632,780.21 is: 150,608,560,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,357,179,154.86 : 275,112,920,656.12 = 109,136,632,780.21 : x
  2. Step 2: Convert to fraction form
    199,357,179,154.86/275,112,920,656.12 = 109,136,632,780.21/x
  3. Step 3: Cross multiply
    199,357,179,154.86x = 275,112,920,656.12 × 109,136,632,780.21
  4. Step 4: Simplify right side
    199,357,179,154.86x = 30,024,897,794,738,019,631,104
  5. Step 5: Solve for x
    x = 30,024,897,794,738,019,631,104/199,357,179,154.86
  6. Step 6: Final answer
    x = 150,608,560,584.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.