Finding the Fourth Proportional to 149,512,459.84, 206,327,202.31 and 82,531,435.68
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Solution
The fourth proportional to 149,512,459.84, 206,327,202.31 and 82,531,435.68 is: 113,893,385.51
Step by Step Solution
- Step 1: Write the proportion equation
149,512,459.84 : 206,327,202.31 = 82,531,435.68 : x - Step 2: Convert to fraction form
149,512,459.84/206,327,202.31 = 82,531,435.68/x - Step 3: Cross multiply
149,512,459.84x = 206,327,202.31 × 82,531,435.68 - Step 4: Simplify right side
149,512,459.84x = 17,028,480,226,585,278 - Step 5: Solve for x
x = 17,028,480,226,585,278/149,512,459.84 - Step 6: Final answer
x = 113,893,385.51
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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.