Finding the Fourth Proportional to 87,683,920.84, 121,004,040.54 and 48,528,397.72
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Solution
The fourth proportional to 87,683,920.84, 121,004,040.54 and 48,528,397.72 is: 66,969,316.03
Step by Step Solution
- Step 1: Write the proportion equation
87,683,920.84 : 121,004,040.54 = 48,528,397.72 : x - Step 2: Convert to fraction form
87,683,920.84/121,004,040.54 = 48,528,397.72/x - Step 3: Cross multiply
87,683,920.84x = 121,004,040.54 × 48,528,397.72 - Step 4: Simplify right side
87,683,920.84x = 5,872,132,205,052,124 - Step 5: Solve for x
x = 5,872,132,205,052,124/87,683,920.84 - Step 6: Final answer
x = 66,969,316.03
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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.