Finding the Fourth Proportional to 66,406,161.76, 91,640,998.56 and 37,039,397.92
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Solution
The fourth proportional to 66,406,161.76, 91,640,998.56 and 37,039,397.92 is: 51,114,645.41
Step by Step Solution
- Step 1: Write the proportion equation
66,406,161.76 : 91,640,998.56 = 37,039,397.92 : x - Step 2: Convert to fraction form
66,406,161.76/91,640,998.56 = 37,039,397.92/x - Step 3: Cross multiply
66,406,161.76x = 91,640,998.56 × 37,039,397.92 - Step 4: Simplify right side
66,406,161.76x = 3,394,327,411,449,987 - Step 5: Solve for x
x = 3,394,327,411,449,987/66,406,161.76 - Step 6: Final answer
x = 51,114,645.41
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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.