Finding the Fourth Proportional to 98,705,022.41, 136,220,599.97 and 54,656,119.60
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Solution
The fourth proportional to 98,705,022.41, 136,220,599.97 and 54,656,119.60 is: 75,429,691.64
Step by Step Solution
- Step 1: Write the proportion equation
98,705,022.41 : 136,220,599.97 = 54,656,119.60 : x - Step 2: Convert to fraction form
98,705,022.41/136,220,599.97 = 54,656,119.60/x - Step 3: Cross multiply
98,705,022.41x = 136,220,599.97 × 54,656,119.60 - Step 4: Simplify right side
98,705,022.41x = 7,445,289,403,458,320 - Step 5: Solve for x
x = 7,445,289,403,458,320/98,705,022.41 - Step 6: Final answer
x = 75,429,691.64
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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.