Finding the Fourth Proportional to 122,951,361.06, 169,673,043.60 and 70,739,349.53
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Solution
The fourth proportional to 122,951,361.06, 169,673,043.60 and 70,739,349.53 is: 97,620,397.47
Step by Step Solution
- Step 1: Write the proportion equation
122,951,361.06 : 169,673,043.60 = 70,739,349.53 : x - Step 2: Convert to fraction form
122,951,361.06/169,673,043.60 = 70,739,349.53/x - Step 3: Cross multiply
122,951,361.06x = 169,673,043.60 × 70,739,349.53 - Step 4: Simplify right side
122,951,361.06x = 12,002,560,736,190,964 - Step 5: Solve for x
x = 12,002,560,736,190,964/122,951,361.06 - Step 6: Final answer
x = 97,620,397.47
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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.