Finding the Fourth Proportional to 55,174,331.21, 82,761,446.66 and 26,021,369.70
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Solution
The fourth proportional to 55,174,331.21, 82,761,446.66 and 26,021,369.70 is: 39,032,030.90
Step by Step Solution
- Step 1: Write the proportion equation
55,174,331.21 : 82,761,446.66 = 26,021,369.70 : x - Step 2: Convert to fraction form
55,174,331.21/82,761,446.66 = 26,021,369.70/x - Step 3: Cross multiply
55,174,331.21x = 82,761,446.66 × 26,021,369.70 - Step 4: Simplify right side
55,174,331.21x = 2,153,566,200,316,583.25 - Step 5: Solve for x
x = 2,153,566,200,316,583.25/55,174,331.21 - Step 6: Final answer
x = 39,032,030.90
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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.