Finding the Fourth Proportional to 66,418,824.18, 99,657,010.35 and 35,677,536.60
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Solution
The fourth proportional to 66,418,824.18, 99,657,010.35 and 35,677,536.60 is: 53,531,761.19
Step by Step Solution
- Step 1: Write the proportion equation
66,418,824.18 : 99,657,010.35 = 35,677,536.60 : x - Step 2: Convert to fraction form
66,418,824.18/99,657,010.35 = 35,677,536.60/x - Step 3: Cross multiply
66,418,824.18x = 99,657,010.35 × 35,677,536.60 - Step 4: Simplify right side
66,418,824.18x = 3,555,516,634,208,703.50 - Step 5: Solve for x
x = 3,555,516,634,208,703.50/66,418,824.18 - Step 6: Final answer
x = 53,531,761.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.