Finding the Fourth Proportional to 98,941,618.06, 136,539,593.80 and 54,888,617.96
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Solution
The fourth proportional to 98,941,618.06, 136,539,593.80 and 54,888,617.96 is: 75,746,382.03
Step by Step Solution
- Step 1: Write the proportion equation
98,941,618.06 : 136,539,593.80 = 54,888,617.96 : x - Step 2: Convert to fraction form
98,941,618.06/136,539,593.80 = 54,888,617.96/x - Step 3: Cross multiply
98,941,618.06x = 136,539,593.80 × 54,888,617.96 - Step 4: Simplify right side
98,941,618.06x = 7,494,469,600,193,890 - Step 5: Solve for x
x = 7,494,469,600,193,890/98,941,618.06 - Step 6: Final answer
x = 75,746,382.03
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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.