Finding the Fourth Proportional to 68,336,603,832.36, 102,467,538,054.45 and 54,261,980,674.02
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Solution
The fourth proportional to 68,336,603,832.36, 102,467,538,054.45 and 54,261,980,674.02 is: 81,363,299,576.09
Step by Step Solution
- Step 1: Write the proportion equation
68,336,603,832.36 : 102,467,538,054.45 = 54,261,980,674.02 : x - Step 2: Convert to fraction form
68,336,603,832.36/102,467,538,054.45 = 54,261,980,674.02/x - Step 3: Cross multiply
68,336,603,832.36x = 102,467,538,054.45 × 54,261,980,674.02 - Step 4: Simplify right side
68,336,603,832.36x = 5,560,091,569,624,974,360,576 - Step 5: Solve for x
x = 5,560,091,569,624,974,360,576/68,336,603,832.36 - Step 6: Final answer
x = 81,363,299,576.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.