Home / 199,357,179,155.86-275,112,920,657.50-109,136,632,781.21

Finding the Fourth Proportional to 199,357,179,155.86, 275,112,920,657.50 and 109,136,632,781.21

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Solution

The fourth proportional to 199,357,179,155.86, 275,112,920,657.50 and 109,136,632,781.21 is: 150,608,560,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,357,179,155.86 : 275,112,920,657.50 = 109,136,632,781.21 : x
  2. Step 2: Convert to fraction form
    199,357,179,155.86/275,112,920,657.50 = 109,136,632,781.21/x
  3. Step 3: Cross multiply
    199,357,179,155.86x = 275,112,920,657.50 × 109,136,632,781.21
  4. Step 4: Simplify right side
    199,357,179,155.86x = 30,024,897,795,163,741,487,104
  5. Step 5: Solve for x
    x = 30,024,897,795,163,741,487,104/199,357,179,155.86
  6. Step 6: Final answer
    x = 150,608,560,586.07

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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.