Finding the Fourth Proportional to 55,097,531.40, 76,032,310.09 and 29,979,744.41
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Solution
The fourth proportional to 55,097,531.40, 76,032,310.09 and 29,979,744.41 is: 41,370,804.93
Step by Step Solution
- Step 1: Write the proportion equation
55,097,531.40 : 76,032,310.09 = 29,979,744.41 : x - Step 2: Convert to fraction form
55,097,531.40/76,032,310.09 = 29,979,744.41/x - Step 3: Cross multiply
55,097,531.40x = 76,032,310.09 × 29,979,744.41 - Step 4: Simplify right side
55,097,531.40x = 2,279,429,223,400,064 - Step 5: Solve for x
x = 2,279,429,223,400,064/55,097,531.40 - Step 6: Final answer
x = 41,370,804.93
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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.