Finding the Fourth Proportional to 84,824,719.16, 117,067,613.64 and 51,352,647.68
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Solution
The fourth proportional to 84,824,719.16, 117,067,613.64 and 51,352,647.68 is: 70,872,405.80
Step by Step Solution
- Step 1: Write the proportion equation
84,824,719.16 : 117,067,613.64 = 51,352,647.68 : x - Step 2: Convert to fraction form
84,824,719.16/117,067,613.64 = 51,352,647.68/x - Step 3: Cross multiply
84,824,719.16x = 117,067,613.64 × 51,352,647.68 - Step 4: Simplify right side
84,824,719.16x = 6,011,731,917,993,282 - Step 5: Solve for x
x = 6,011,731,917,993,282/84,824,719.16 - Step 6: Final answer
x = 70,872,405.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.