Finding the Fourth Proportional to 109,511,565.84, 151,125,963.84 and 60,618,993.84
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Solution
The fourth proportional to 109,511,565.84, 151,125,963.84 and 60,618,993.84 is: 83,654,213.15
Step by Step Solution
- Step 1: Write the proportion equation
109,511,565.84 : 151,125,963.84 = 60,618,993.84 : x - Step 2: Convert to fraction form
109,511,565.84/151,125,963.84 = 60,618,993.84/x - Step 3: Cross multiply
109,511,565.84x = 151,125,963.84 × 60,618,993.84 - Step 4: Simplify right side
109,511,565.84x = 9,161,103,871,081,024 - Step 5: Solve for x
x = 9,161,103,871,081,024/109,511,565.84 - Step 6: Final answer
x = 83,654,213.15
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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.