Finding the Fourth Proportional to 141,804,652.70, 212,706,979.05 and 121,397,318.30
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Solution
The fourth proportional to 141,804,652.70, 212,706,979.05 and 121,397,318.30 is: 182,095,977.45
Step by Step Solution
- Step 1: Write the proportion equation
141,804,652.70 : 212,706,979.05 = 121,397,318.30 : x - Step 2: Convert to fraction form
141,804,652.70/212,706,979.05 = 121,397,318.30/x - Step 3: Cross multiply
141,804,652.70x = 212,706,979.05 × 121,397,318.30 - Step 4: Simplify right side
141,804,652.70x = 25,822,056,840,364,284 - Step 5: Solve for x
x = 25,822,056,840,364,284/141,804,652.70 - Step 6: Final answer
x = 182,095,977.45
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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.