Finding the Fourth Proportional to 198,717,054.36, 298,058,505.94 and 120,973,779.96
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Solution
The fourth proportional to 198,717,054.36, 298,058,505.94 and 120,973,779.96 is: 181,450,274.76
Step by Step Solution
- Step 1: Write the proportion equation
198,717,054.36 : 298,058,505.94 = 120,973,779.96 : x - Step 2: Convert to fraction form
198,717,054.36/298,058,505.94 = 120,973,779.96/x - Step 3: Cross multiply
198,717,054.36x = 298,058,505.94 × 120,973,779.96 - Step 4: Simplify right side
198,717,054.36x = 36,057,264,112,791,912 - Step 5: Solve for x
x = 36,057,264,112,791,912/198,717,054.36 - Step 6: Final answer
x = 181,450,274.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.