Finding the Fourth Proportional to 246,609,969.53, 340,321,728.79 and 147,490,701.61
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Solution
The fourth proportional to 246,609,969.53, 340,321,728.79 and 147,490,701.61 is: 203,537,150.78
Step by Step Solution
- Step 1: Write the proportion equation
246,609,969.53 : 340,321,728.79 = 147,490,701.61 : x - Step 2: Convert to fraction form
246,609,969.53/340,321,728.79 = 147,490,701.61/x - Step 3: Cross multiply
246,609,969.53x = 340,321,728.79 × 147,490,701.61 - Step 4: Simplify right side
246,609,969.53x = 50,194,290,552,365,248 - Step 5: Solve for x
x = 50,194,290,552,365,248/246,609,969.53 - Step 6: Final answer
x = 203,537,150.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.