Home / 350,656,015.20-525,984,022.80-146,330,728.80

Finding the Fourth Proportional to 350,656,015.20, 525,984,022.80 and 146,330,728.80

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Solution

The fourth proportional to 350,656,015.20, 525,984,022.80 and 146,330,728.80 is: 219,496,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,656,015.20 : 525,984,022.80 = 146,330,728.80 : x
  2. Step 2: Convert to fraction form
    350,656,015.20/525,984,022.80 = 146,330,728.80/x
  3. Step 3: Cross multiply
    350,656,015.20x = 525,984,022.80 × 146,330,728.80
  4. Step 4: Simplify right side
    350,656,015.20x = 76,967,625,393,479,824
  5. Step 5: Solve for x
    x = 76,967,625,393,479,824/350,656,015.20
  6. Step 6: Final answer
    x = 219,496,093.20

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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.