Finding the Fourth Proportional to 155,158,417, 232,738,791.90 and 68,873,627.08
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Solution
The fourth proportional to 155,158,417, 232,738,791.90 and 68,873,627.08 is: 103,310,958.38
Step by Step Solution
- Step 1: Write the proportion equation
155,158,417 : 232,738,791.90 = 68,873,627.08 : x - Step 2: Convert to fraction form
155,158,417/232,738,791.90 = 68,873,627.08/x - Step 3: Cross multiply
155,158,417x = 232,738,791.90 × 68,873,627.08 - Step 4: Simplify right side
155,158,417x = 16,029,564,760,370,324 - Step 5: Solve for x
x = 16,029,564,760,370,324/155,158,417 - Step 6: Final answer
x = 103,310,958.38
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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.