Finding the Fourth Proportional to 170,365,918.66, 255,446,526.36 and 66,611,513.68
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Solution
The fourth proportional to 170,365,918.66, 255,446,526.36 and 66,611,513.68 is: 99,877,251.97
Step by Step Solution
- Step 1: Write the proportion equation
170,365,918.66 : 255,446,526.36 = 66,611,513.68 : x - Step 2: Convert to fraction form
170,365,918.66/255,446,526.36 = 66,611,513.68/x - Step 3: Cross multiply
170,365,918.66x = 255,446,526.36 × 66,611,513.68 - Step 4: Simplify right side
170,365,918.66x = 17,015,679,785,137,622 - Step 5: Solve for x
x = 17,015,679,785,137,622/170,365,918.66 - Step 6: Final answer
x = 99,877,251.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.