Finding the Fourth Proportional to 163,909,326.80, 245,876,431.80 and 48,884,891.60
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Solution
The fourth proportional to 163,909,326.80, 245,876,431.80 and 48,884,891.60 is: 73,331,048.03
Step by Step Solution
- Step 1: Write the proportion equation
163,909,326.80 : 245,876,431.80 = 48,884,891.60 : x - Step 2: Convert to fraction form
163,909,326.80/245,876,431.80 = 48,884,891.60/x - Step 3: Cross multiply
163,909,326.80x = 245,876,431.80 × 48,884,891.60 - Step 4: Simplify right side
163,909,326.80x = 12,019,642,715,537,794 - Step 5: Solve for x
x = 12,019,642,715,537,794/163,909,326.80 - Step 6: Final answer
x = 73,331,048.03
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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.