Finding the Fourth Proportional to 74,848,773.96, 103,392,405.63 and 56,403,342.42
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Solution
The fourth proportional to 74,848,773.96, 103,392,405.63 and 56,403,342.42 is: 77,912,796.03
Step by Step Solution
- Step 1: Write the proportion equation
74,848,773.96 : 103,392,405.63 = 56,403,342.42 : x - Step 2: Convert to fraction form
74,848,773.96/103,392,405.63 = 56,403,342.42/x - Step 3: Cross multiply
74,848,773.96x = 103,392,405.63 × 56,403,342.42 - Step 4: Simplify right side
74,848,773.96x = 5,831,677,258,376,426 - Step 5: Solve for x
x = 5,831,677,258,376,426/74,848,773.96 - Step 6: Final answer
x = 77,912,796.03
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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.