Finding the Fourth Proportional to 160,046,101.44, 220,863,849.12 and 86,707,241.28
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Solution
The fourth proportional to 160,046,101.44, 220,863,849.12 and 86,707,241.28 is: 119,656,117.10
Step by Step Solution
- Step 1: Write the proportion equation
160,046,101.44 : 220,863,849.12 = 86,707,241.28 : x - Step 2: Convert to fraction form
160,046,101.44/220,863,849.12 = 86,707,241.28/x - Step 3: Cross multiply
160,046,101.44x = 220,863,849.12 × 86,707,241.28 - Step 4: Simplify right side
160,046,101.44x = 19,150,495,055,677,356 - Step 5: Solve for x
x = 19,150,495,055,677,356/160,046,101.44 - Step 6: Final answer
x = 119,656,117.10
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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.