Finding the Fourth Proportional to 117,415,135.60, 176,122,703.40 and 31,153,375.60
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Solution
The fourth proportional to 117,415,135.60, 176,122,703.40 and 31,153,375.60 is: 46,730,063.40
Step by Step Solution
- Step 1: Write the proportion equation
117,415,135.60 : 176,122,703.40 = 31,153,375.60 : x - Step 2: Convert to fraction form
117,415,135.60/176,122,703.40 = 31,153,375.60/x - Step 3: Cross multiply
117,415,135.60x = 176,122,703.40 × 31,153,375.60 - Step 4: Simplify right side
117,415,135.60x = 5,486,816,730,707,597 - Step 5: Solve for x
x = 5,486,816,730,707,597/117,415,135.60 - Step 6: Final answer
x = 46,730,063.40
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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.