Finding the Fourth Proportional to 141,476,212.71, 195,237,129.60 and 78,750,947.52
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Solution
The fourth proportional to 141,476,212.71, 195,237,129.60 and 78,750,947.52 is: 108,676,283.12
Step by Step Solution
- Step 1: Write the proportion equation
141,476,212.71 : 195,237,129.60 = 78,750,947.52 : x - Step 2: Convert to fraction form
141,476,212.71/195,237,129.60 = 78,750,947.52/x - Step 3: Cross multiply
141,476,212.71x = 195,237,129.60 × 78,750,947.52 - Step 4: Simplify right side
141,476,212.71x = 15,375,108,947,085,038 - Step 5: Solve for x
x = 15,375,108,947,085,038/141,476,212.71 - Step 6: Final answer
x = 108,676,283.12
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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.