Finding the Fourth Proportional to 96,773,954.80, 145,160,932.20 and 83,635,625.20
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Solution
The fourth proportional to 96,773,954.80, 145,160,932.20 and 83,635,625.20 is: 125,453,437.80
Step by Step Solution
- Step 1: Write the proportion equation
96,773,954.80 : 145,160,932.20 = 83,635,625.20 : x - Step 2: Convert to fraction form
96,773,954.80/145,160,932.20 = 83,635,625.20/x - Step 3: Cross multiply
96,773,954.80x = 145,160,932.20 × 83,635,625.20 - Step 4: Simplify right side
96,773,954.80x = 12,140,625,319,161,810 - Step 5: Solve for x
x = 12,140,625,319,161,810/96,773,954.80 - Step 6: Final answer
x = 125,453,437.80
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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.