Finding the Fourth Proportional to 97,865,147.29, 135,074,452.81 and 62,078,440.90
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Solution
The fourth proportional to 97,865,147.29, 135,074,452.81 and 62,078,440.90 is: 85,681,283.56
Step by Step Solution
- Step 1: Write the proportion equation
97,865,147.29 : 135,074,452.81 = 62,078,440.90 : x - Step 2: Convert to fraction form
97,865,147.29/135,074,452.81 = 62,078,440.90/x - Step 3: Cross multiply
97,865,147.29x = 135,074,452.81 × 62,078,440.90 - Step 4: Simplify right side
97,865,147.29x = 8,385,211,435,190,052 - Step 5: Solve for x
x = 8,385,211,435,190,052/97,865,147.29 - Step 6: Final answer
x = 85,681,283.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.