Finding the Fourth Proportional to 71,912,919,245.04, 99,237,587,241.24 and 39,796,349,053.68
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Solution
The fourth proportional to 71,912,919,245.04, 99,237,587,241.24 and 39,796,349,053.68 is: 54,917,721,357.42
Step by Step Solution
- Step 1: Write the proportion equation
71,912,919,245.04 : 99,237,587,241.24 = 39,796,349,053.68 : x - Step 2: Convert to fraction form
71,912,919,245.04/99,237,587,241.24 = 39,796,349,053.68/x - Step 3: Cross multiply
71,912,919,245.04x = 99,237,587,241.24 × 39,796,349,053.68 - Step 4: Simplify right side
71,912,919,245.04x = 3,949,293,661,097,408,069,632 - Step 5: Solve for x
x = 3,949,293,661,097,408,069,632/71,912,919,245.04 - Step 6: Final answer
x = 54,917,721,357.42
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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.