Finding the Fourth Proportional to 88,183,117.42, 121,693,175.19 and 48,493,207.51
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Solution
The fourth proportional to 88,183,117.42, 121,693,175.19 and 48,493,207.51 is: 66,920,886.55
Step by Step Solution
- Step 1: Write the proportion equation
88,183,117.42 : 121,693,175.19 = 48,493,207.51 : x - Step 2: Convert to fraction form
88,183,117.42/121,693,175.19 = 48,493,207.51/x - Step 3: Cross multiply
88,183,117.42x = 121,693,175.19 × 48,493,207.51 - Step 4: Simplify right side
88,183,117.42x = 5,901,292,396,735,221 - Step 5: Solve for x
x = 5,901,292,396,735,221/88,183,117.42 - Step 6: Final answer
x = 66,920,886.55
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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.