Finding the Fourth Proportional to 165,687,858.68, 248,531,656.78 and 44,519,310.68
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Solution
The fourth proportional to 165,687,858.68, 248,531,656.78 and 44,519,310.68 is: 66,778,930.76
Step by Step Solution
- Step 1: Write the proportion equation
165,687,858.68 : 248,531,656.78 = 44,519,310.68 : x - Step 2: Convert to fraction form
165,687,858.68/248,531,656.78 = 44,519,310.68/x - Step 3: Cross multiply
165,687,858.68x = 248,531,656.78 × 44,519,310.68 - Step 4: Simplify right side
165,687,858.68x = 11,064,458,042,003,948 - Step 5: Solve for x
x = 11,064,458,042,003,948/165,687,858.68 - Step 6: Final answer
x = 66,778,930.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.