Finding the Fourth Proportional to 54,961,325.80, 82,441,988.70 and 53,701,613.80
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Solution
The fourth proportional to 54,961,325.80, 82,441,988.70 and 53,701,613.80 is: 80,552,420.70
Step by Step Solution
- Step 1: Write the proportion equation
54,961,325.80 : 82,441,988.70 = 53,701,613.80 : x - Step 2: Convert to fraction form
54,961,325.80/82,441,988.70 = 53,701,613.80/x - Step 3: Cross multiply
54,961,325.80x = 82,441,988.70 × 53,701,613.80 - Step 4: Simplify right side
54,961,325.80x = 4,427,267,838,071,364 - Step 5: Solve for x
x = 4,427,267,838,071,364/54,961,325.80 - Step 6: Final answer
x = 80,552,420.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.