Finding the Fourth Proportional to 68,197,918.14, 102,361,550.72 and 42,211,613.30
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Solution
The fourth proportional to 68,197,918.14, 102,361,550.72 and 42,211,613.30 is: 63,357,450.09
Step by Step Solution
- Step 1: Write the proportion equation
68,197,918.14 : 102,361,550.72 = 42,211,613.30 : x - Step 2: Convert to fraction form
68,197,918.14/102,361,550.72 = 42,211,613.30/x - Step 3: Cross multiply
68,197,918.14x = 102,361,550.72 × 42,211,613.30 - Step 4: Simplify right side
68,197,918.14x = 4,320,846,195,058,111 - Step 5: Solve for x
x = 4,320,846,195,058,111/68,197,918.14 - Step 6: Final answer
x = 63,357,450.09
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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.