Finding the Fourth Proportional to 88,183,116.43, 121,693,173.84 and 48,493,206.52
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Solution
The fourth proportional to 88,183,116.43, 121,693,173.84 and 48,493,206.52 is: 66,920,885.20
Step by Step Solution
- Step 1: Write the proportion equation
88,183,116.43 : 121,693,173.84 = 48,493,206.52 : x - Step 2: Convert to fraction form
88,183,116.43/121,693,173.84 = 48,493,206.52/x - Step 3: Cross multiply
88,183,116.43x = 121,693,173.84 × 48,493,206.52 - Step 4: Simplify right side
88,183,116.43x = 5,901,292,210,793,148 - Step 5: Solve for x
x = 5,901,292,210,793,148/88,183,116.43 - Step 6: Final answer
x = 66,920,885.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.