Finding the Fourth Proportional to 100,919,204.68, 139,268,600.16 and 54,509,457.84
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Solution
The fourth proportional to 100,919,204.68, 139,268,600.16 and 54,509,457.84 is: 75,223,104.59
Step by Step Solution
- Step 1: Write the proportion equation
100,919,204.68 : 139,268,600.16 = 54,509,457.84 : x - Step 2: Convert to fraction form
100,919,204.68/139,268,600.16 = 54,509,457.84/x - Step 3: Cross multiply
100,919,204.68x = 139,268,600.16 × 54,509,457.84 - Step 4: Simplify right side
100,919,204.68x = 7,591,455,888,857,338 - Step 5: Solve for x
x = 7,591,455,888,857,338/100,919,204.68 - Step 6: Final answer
x = 75,223,104.59
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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.