Finding the Fourth Proportional to 84,465,509.05, 126,746,192.35 and 45,603,443.53
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Solution
The fourth proportional to 84,465,509.05, 126,746,192.35 and 45,603,443.53 is: 68,431,042.33
Step by Step Solution
- Step 1: Write the proportion equation
84,465,509.05 : 126,746,192.35 = 45,603,443.53 : x - Step 2: Convert to fraction form
84,465,509.05/126,746,192.35 = 45,603,443.53/x - Step 3: Cross multiply
84,465,509.05x = 126,746,192.35 × 45,603,443.53 - Step 4: Simplify right side
84,465,509.05x = 5,780,062,824,842,012 - Step 5: Solve for x
x = 5,780,062,824,842,012/84,465,509.05 - Step 6: Final answer
x = 68,431,042.33
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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.