Finding the Fourth Proportional to 68,198,353.16, 102,362,203.32 and 42,212,048.18
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Solution
The fourth proportional to 68,198,353.16, 102,362,203.32 and 42,212,048.18 is: 63,358,102.62
Step by Step Solution
- Step 1: Write the proportion equation
68,198,353.16 : 102,362,203.32 = 42,212,048.18 : x - Step 2: Convert to fraction form
68,198,353.16/102,362,203.32 = 42,212,048.18/x - Step 3: Cross multiply
68,198,353.16x = 102,362,203.32 × 42,212,048.18 - Step 4: Simplify right side
68,198,353.16x = 4,320,918,258,354,795.50 - Step 5: Solve for x
x = 4,320,918,258,354,795.50/68,198,353.16 - Step 6: Final answer
x = 63,358,102.62
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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.