Finding the Fourth Proportional to 188,732,146.92, 260,316,198.14 and 125,976,604.13
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Solution
The fourth proportional to 188,732,146.92, 260,316,198.14 and 125,976,604.13 is: 173,758,160.32
Step by Step Solution
- Step 1: Write the proportion equation
188,732,146.92 : 260,316,198.14 = 125,976,604.13 : x - Step 2: Convert to fraction form
188,732,146.92/260,316,198.14 = 125,976,604.13/x - Step 3: Cross multiply
188,732,146.92x = 260,316,198.14 × 125,976,604.13 - Step 4: Simplify right side
188,732,146.92x = 32,793,750,641,709,420 - Step 5: Solve for x
x = 32,793,750,641,709,420/188,732,146.92 - Step 6: Final answer
x = 173,758,160.32
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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.