Finding the Fourth Proportional to 98,526,083.73, 147,813,226.35 and 69,436,680.09
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Solution
The fourth proportional to 98,526,083.73, 147,813,226.35 and 69,436,680.09 is: 104,172,005.25
Step by Step Solution
- Step 1: Write the proportion equation
98,526,083.73 : 147,813,226.35 = 69,436,680.09 : x - Step 2: Convert to fraction form
98,526,083.73/147,813,226.35 = 69,436,680.09/x - Step 3: Cross multiply
98,526,083.73x = 147,813,226.35 × 69,436,680.09 - Step 4: Simplify right side
98,526,083.73x = 10,263,659,711,135,708 - Step 5: Solve for x
x = 10,263,659,711,135,708/98,526,083.73 - Step 6: Final answer
x = 104,172,005.25
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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.