Finding the Fourth Proportional to 109,511,523.84, 151,125,905.88 and 60,618,951.84
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Solution
The fourth proportional to 109,511,523.84, 151,125,905.88 and 60,618,951.84 is: 83,654,155.19
Step by Step Solution
- Step 1: Write the proportion equation
109,511,523.84 : 151,125,905.88 = 60,618,951.84 : x - Step 2: Convert to fraction form
109,511,523.84/151,125,905.88 = 60,618,951.84/x - Step 3: Cross multiply
109,511,523.84x = 151,125,905.88 × 60,618,951.84 - Step 4: Simplify right side
109,511,523.84x = 9,161,094,010,316,094 - Step 5: Solve for x
x = 9,161,094,010,316,094/109,511,523.84 - Step 6: Final answer
x = 83,654,155.19
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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.