Finding the Fourth Proportional to 84,465,510.05, 126,746,193.85 and 45,603,444.53
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Solution
The fourth proportional to 84,465,510.05, 126,746,193.85 and 45,603,444.53 is: 68,431,043.83
Step by Step Solution
- Step 1: Write the proportion equation
84,465,510.05 : 126,746,193.85 = 45,603,444.53 : x - Step 2: Convert to fraction form
84,465,510.05/126,746,193.85 = 45,603,444.53/x - Step 3: Cross multiply
84,465,510.05x = 126,746,193.85 × 45,603,444.53 - Step 4: Simplify right side
84,465,510.05x = 5,780,063,020,627,102 - Step 5: Solve for x
x = 5,780,063,020,627,102/84,465,510.05 - Step 6: Final answer
x = 68,431,043.83
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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.