Finding the Fourth Proportional to 141,612,117.75, 212,430,207.96 and 39,376,155.51
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Solution
The fourth proportional to 141,612,117.75, 212,430,207.96 and 39,376,155.51 is: 59,067,578.65
Step by Step Solution
- Step 1: Write the proportion equation
141,612,117.75 : 212,430,207.96 = 39,376,155.51 : x - Step 2: Convert to fraction form
141,612,117.75/212,430,207.96 = 39,376,155.51/x - Step 3: Cross multiply
141,612,117.75x = 212,430,207.96 × 39,376,155.51 - Step 4: Simplify right side
141,612,117.75x = 8,364,684,903,654,600 - Step 5: Solve for x
x = 8,364,684,903,654,600/141,612,117.75 - Step 6: Final answer
x = 59,067,578.65
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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.