Finding the Fourth Proportional to 55,274,272.26, 76,278,069.84 and 30,495,503.58
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Solution
The fourth proportional to 55,274,272.26, 76,278,069.84 and 30,495,503.58 is: 42,083,559.98
Step by Step Solution
- Step 1: Write the proportion equation
55,274,272.26 : 76,278,069.84 = 30,495,503.58 : x - Step 2: Convert to fraction form
55,274,272.26/76,278,069.84 = 30,495,503.58/x - Step 3: Cross multiply
55,274,272.26x = 76,278,069.84 × 30,495,503.58 - Step 4: Simplify right side
55,274,272.26x = 2,326,138,151,881,210 - Step 5: Solve for x
x = 2,326,138,151,881,210/55,274,272.26 - Step 6: Final answer
x = 42,083,559.98
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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.