Finding the Fourth Proportional to 88,059,182.81, 121,523,129.39 and 48,370,381.05
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Solution
The fourth proportional to 88,059,182.81, 121,523,129.39 and 48,370,381.05 is: 66,751,926.24
Step by Step Solution
- Step 1: Write the proportion equation
88,059,182.81 : 121,523,129.39 = 48,370,381.05 : x - Step 2: Convert to fraction form
88,059,182.81/121,523,129.39 = 48,370,381.05/x - Step 3: Cross multiply
88,059,182.81x = 121,523,129.39 × 48,370,381.05 - Step 4: Simplify right side
88,059,182.81x = 5,878,120,075,103,680 - Step 5: Solve for x
x = 5,878,120,075,103,680/88,059,182.81 - Step 6: Final answer
x = 66,751,926.24
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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.