Finding the Fourth Proportional to 68,492,118.16, 102,740,047.26 and 19,968,799.24
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Solution
The fourth proportional to 68,492,118.16, 102,740,047.26 and 19,968,799.24 is: 29,953,744.06
Step by Step Solution
- Step 1: Write the proportion equation
68,492,118.16 : 102,740,047.26 = 19,968,799.24 : x - Step 2: Convert to fraction form
68,492,118.16/102,740,047.26 = 19,968,799.24/x - Step 3: Cross multiply
68,492,118.16x = 102,740,047.26 × 19,968,799.24 - Step 4: Simplify right side
68,492,118.16x = 2,051,595,377,643,052 - Step 5: Solve for x
x = 2,051,595,377,643,052/68,492,118.16 - Step 6: Final answer
x = 29,953,744.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.