Finding the Fourth Proportional to 198,717,051.36, 298,058,501.44 and 120,973,776.96
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Solution
The fourth proportional to 198,717,051.36, 298,058,501.44 and 120,973,776.96 is: 181,450,270.26
Step by Step Solution
- Step 1: Write the proportion equation
198,717,051.36 : 298,058,501.44 = 120,973,776.96 : x - Step 2: Convert to fraction form
198,717,051.36/298,058,501.44 = 120,973,776.96/x - Step 3: Cross multiply
198,717,051.36x = 298,058,501.44 × 120,973,776.96 - Step 4: Simplify right side
198,717,051.36x = 36,057,262,674,234,400 - Step 5: Solve for x
x = 36,057,262,674,234,400/198,717,051.36 - Step 6: Final answer
x = 181,450,270.26
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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.