Finding the Fourth Proportional to 57,958,970.70, 86,938,456.05 and 31,085,114.70
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Solution
The fourth proportional to 57,958,970.70, 86,938,456.05 and 31,085,114.70 is: 46,627,672.05
Step by Step Solution
- Step 1: Write the proportion equation
57,958,970.70 : 86,938,456.05 = 31,085,114.70 : x - Step 2: Convert to fraction form
57,958,970.70/86,938,456.05 = 31,085,114.70/x - Step 3: Cross multiply
57,958,970.70x = 86,938,456.05 × 31,085,114.70 - Step 4: Simplify right side
57,958,970.70x = 2,702,491,878,155,159 - Step 5: Solve for x
x = 2,702,491,878,155,159/57,958,970.70 - Step 6: Final answer
x = 46,627,672.05
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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.