Finding the Fourth Proportional to 68,088,662.16, 101,533,326.24 and 67,474,552.56
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Solution
The fourth proportional to 68,088,662.16, 101,533,326.24 and 67,474,552.56 is: 100,617,570.39
Step by Step Solution
- Step 1: Write the proportion equation
68,088,662.16 : 101,533,326.24 = 67,474,552.56 : x - Step 2: Convert to fraction form
68,088,662.16/101,533,326.24 = 67,474,552.56/x - Step 3: Cross multiply
68,088,662.16x = 101,533,326.24 × 67,474,552.56 - Step 4: Simplify right side
68,088,662.16x = 6,850,915,757,972,507 - Step 5: Solve for x
x = 6,850,915,757,972,507/68,088,662.16 - Step 6: Final answer
x = 100,617,570.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.