Finding the Fourth Proportional to 77,092,305.94, 106,411,201.26 and 49,590,236.62
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Solution
The fourth proportional to 77,092,305.94, 106,411,201.26 and 49,590,236.62 is: 68,449,848.34
Step by Step Solution
- Step 1: Write the proportion equation
77,092,305.94 : 106,411,201.26 = 49,590,236.62 : x - Step 2: Convert to fraction form
77,092,305.94/106,411,201.26 = 49,590,236.62/x - Step 3: Cross multiply
77,092,305.94x = 106,411,201.26 × 49,590,236.62 - Step 4: Simplify right side
77,092,305.94x = 5,276,956,649,501,842 - Step 5: Solve for x
x = 5,276,956,649,501,842/77,092,305.94 - Step 6: Final answer
x = 68,449,848.34
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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.