Finding the Fourth Proportional to 155,148,226.20, 232,722,339.30 and 68,794,968.60
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Solution
The fourth proportional to 155,148,226.20, 232,722,339.30 and 68,794,968.60 is: 103,192,452.90
Step by Step Solution
- Step 1: Write the proportion equation
155,148,226.20 : 232,722,339.30 = 68,794,968.60 : x - Step 2: Convert to fraction form
155,148,226.20/232,722,339.30 = 68,794,968.60/x - Step 3: Cross multiply
155,148,226.20x = 232,722,339.30 × 68,794,968.60 - Step 4: Simplify right side
155,148,226.20x = 16,010,126,024,662,046 - Step 5: Solve for x
x = 16,010,126,024,662,046/155,148,226.20 - Step 6: Final answer
x = 103,192,452.90
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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.