Finding the Fourth Proportional to 77,276,740.60, 115,915,110.90 and 41,444,932.60
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Solution
The fourth proportional to 77,276,740.60, 115,915,110.90 and 41,444,932.60 is: 62,167,398.90
Step by Step Solution
- Step 1: Write the proportion equation
77,276,740.60 : 115,915,110.90 = 41,444,932.60 : x - Step 2: Convert to fraction form
77,276,740.60/115,915,110.90 = 41,444,932.60/x - Step 3: Cross multiply
77,276,740.60x = 115,915,110.90 × 41,444,932.60 - Step 4: Simplify right side
77,276,740.60x = 4,804,093,958,572,026 - Step 5: Solve for x
x = 4,804,093,958,572,026/77,276,740.60 - Step 6: Final answer
x = 62,167,398.90
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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.