Finding the Fourth Proportional to 141,771,579.75, 212,693,236.56 and 39,535,628.31
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Solution
The fourth proportional to 141,771,579.75, 212,693,236.56 and 39,535,628.31 is: 59,313,444.62
Step by Step Solution
- Step 1: Write the proportion equation
141,771,579.75 : 212,693,236.56 = 39,535,628.31 : x - Step 2: Convert to fraction form
141,771,579.75/212,693,236.56 = 39,535,628.31/x - Step 3: Cross multiply
141,771,579.75x = 212,693,236.56 × 39,535,628.31 - Step 4: Simplify right side
141,771,579.75x = 8,408,960,744,687,064 - Step 5: Solve for x
x = 8,408,960,744,687,064/141,771,579.75 - Step 6: Final answer
x = 59,313,444.62
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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.