Finding the Fourth Proportional to 108,367,278.40, 149,546,941.97 and 58,807,652.58
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Solution
The fourth proportional to 108,367,278.40, 149,546,941.97 and 58,807,652.58 is: 81,154,613.62
Step by Step Solution
- Step 1: Write the proportion equation
108,367,278.40 : 149,546,941.97 = 58,807,652.58 : x - Step 2: Convert to fraction form
108,367,278.40/149,546,941.97 = 58,807,652.58/x - Step 3: Cross multiply
108,367,278.40x = 149,546,941.97 × 58,807,652.58 - Step 4: Simplify right side
108,367,278.40x = 8,794,504,607,773,180 - Step 5: Solve for x
x = 8,794,504,607,773,180/108,367,278.40 - Step 6: Final answer
x = 81,154,613.62
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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.