Home / 274,926,666.42-412,649,157.72-100,218,566.70

Finding the Fourth Proportional to 274,926,666.42, 412,649,157.72 and 100,218,566.70

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Solution

The fourth proportional to 274,926,666.42, 412,649,157.72 and 100,218,566.70 is: 150,422,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,926,666.42 : 412,649,157.72 = 100,218,566.70 : x
  2. Step 2: Convert to fraction form
    274,926,666.42/412,649,157.72 = 100,218,566.70/x
  3. Step 3: Cross multiply
    274,926,666.42x = 412,649,157.72 × 100,218,566.70
  4. Step 4: Simplify right side
    274,926,666.42x = 41,355,107,136,660,648
  5. Step 5: Solve for x
    x = 41,355,107,136,660,648/274,926,666.42
  6. Step 6: Final answer
    x = 150,422,320.52

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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.