Finding the Fourth Proportional to 88,403,444.80, 132,605,167.20 and 66,880,084.30
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Solution
The fourth proportional to 88,403,444.80, 132,605,167.20 and 66,880,084.30 is: 100,320,126.45
Step by Step Solution
- Step 1: Write the proportion equation
88,403,444.80 : 132,605,167.20 = 66,880,084.30 : x - Step 2: Convert to fraction form
88,403,444.80/132,605,167.20 = 66,880,084.30/x - Step 3: Cross multiply
88,403,444.80x = 132,605,167.20 × 66,880,084.30 - Step 4: Simplify right side
88,403,444.80x = 8,868,644,760,951,595 - Step 5: Solve for x
x = 8,868,644,760,951,595/88,403,444.80 - Step 6: Final answer
x = 100,320,126.45
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1.5x scale
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.