Finding the Fourth Proportional to 122,799,944.70, 169,540,402.84 and 78,171,098
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Solution
The fourth proportional to 122,799,944.70, 169,540,402.84 and 78,171,098 is: 107,924,799.79
Step by Step Solution
- Step 1: Write the proportion equation
122,799,944.70 : 169,540,402.84 = 78,171,098 : x - Step 2: Convert to fraction form
122,799,944.70/169,540,402.84 = 78,171,098/x - Step 3: Cross multiply
122,799,944.70x = 169,540,402.84 × 78,171,098 - Step 4: Simplify right side
122,799,944.70x = 13,253,159,445,365,118 - Step 5: Solve for x
x = 13,253,159,445,365,118/122,799,944.70 - Step 6: Final answer
x = 107,924,799.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.