Finding the Fourth Proportional to 57,125,367.60, 78,832,757.97 and 31,019,673.48
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Solution
The fourth proportional to 57,125,367.60, 78,832,757.97 and 31,019,673.48 is: 42,807,014.02
Step by Step Solution
- Step 1: Write the proportion equation
57,125,367.60 : 78,832,757.97 = 31,019,673.48 : x - Step 2: Convert to fraction form
57,125,367.60/78,832,757.97 = 31,019,673.48/x - Step 3: Cross multiply
57,125,367.60x = 78,832,757.97 × 31,019,673.48 - Step 4: Simplify right side
57,125,367.60x = 2,445,366,411,757,267.50 - Step 5: Solve for x
x = 2,445,366,411,757,267.50/57,125,367.60 - Step 6: Final answer
x = 42,807,014.02
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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.