Finding the Fourth Proportional to 263,352,136.20, 395,028,204.30 and 69,263,176.20
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Solution
The fourth proportional to 263,352,136.20, 395,028,204.30 and 69,263,176.20 is: 103,894,764.30
Step by Step Solution
- Step 1: Write the proportion equation
263,352,136.20 : 395,028,204.30 = 69,263,176.20 : x - Step 2: Convert to fraction form
263,352,136.20/395,028,204.30 = 69,263,176.20/x - Step 3: Cross multiply
263,352,136.20x = 395,028,204.30 × 69,263,176.20 - Step 4: Simplify right side
263,352,136.20x = 27,360,908,118,400,500 - Step 5: Solve for x
x = 27,360,908,118,400,500/263,352,136.20 - Step 6: Final answer
x = 103,894,764.30
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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.