Finding the Fourth Proportional to 74,084,446,186.59, 102,237,465,559.21 and 40,252,306,283.84
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Solution
The fourth proportional to 74,084,446,186.59, 102,237,465,559.21 and 40,252,306,283.84 is: 55,548,687,871.79
Step by Step Solution
- Step 1: Write the proportion equation
74,084,446,186.59 : 102,237,465,559.21 = 40,252,306,283.84 : x - Step 2: Convert to fraction form
74,084,446,186.59/102,237,465,559.21 = 40,252,306,283.84/x - Step 3: Cross multiply
74,084,446,186.59x = 102,237,465,559.21 × 40,252,306,283.84 - Step 4: Simplify right side
74,084,446,186.59x = 4,115,293,777,373,069,049,856 - Step 5: Solve for x
x = 4,115,293,777,373,069,049,856/74,084,446,186.59 - Step 6: Final answer
x = 55,548,687,871.79
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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.