Finding the Fourth Proportional to 97,882,327.28, 135,074,519.70 and 53,829,189.89
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Solution
The fourth proportional to 97,882,327.28, 135,074,519.70 and 53,829,189.89 is: 74,282,581.67
Step by Step Solution
- Step 1: Write the proportion equation
97,882,327.28 : 135,074,519.70 = 53,829,189.89 : x - Step 2: Convert to fraction form
97,882,327.28/135,074,519.70 = 53,829,189.89/x - Step 3: Cross multiply
97,882,327.28x = 135,074,519.70 × 53,829,189.89 - Step 4: Simplify right side
97,882,327.28x = 7,270,951,969,556,472 - Step 5: Solve for x
x = 7,270,951,969,556,472/97,882,327.28 - Step 6: Final answer
x = 74,282,581.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.