Finding the Fourth Proportional to 186,107,069.81, 256,354,780.16 and 141,977,454.82
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Solution
The fourth proportional to 186,107,069.81, 256,354,780.16 and 141,977,454.82 is: 195,568,063.34
Step by Step Solution
- Step 1: Write the proportion equation
186,107,069.81 : 256,354,780.16 = 141,977,454.82 : x - Step 2: Convert to fraction form
186,107,069.81/256,354,780.16 = 141,977,454.82/x - Step 3: Cross multiply
186,107,069.81x = 256,354,780.16 × 141,977,454.82 - Step 4: Simplify right side
186,107,069.81x = 36,396,599,217,771,488 - Step 5: Solve for x
x = 36,396,599,217,771,488/186,107,069.81 - Step 6: Final answer
x = 195,568,063.34
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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.