Finding the Fourth Proportional to 68,623,296.78, 102,938,255.75 and 22,564,146.09
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Solution
The fourth proportional to 68,623,296.78, 102,938,255.75 and 22,564,146.09 is: 33,847,307.69
Step by Step Solution
- Step 1: Write the proportion equation
68,623,296.78 : 102,938,255.75 = 22,564,146.09 : x - Step 2: Convert to fraction form
68,623,296.78/102,938,255.75 = 22,564,146.09/x - Step 3: Cross multiply
68,623,296.78x = 102,938,255.75 × 22,564,146.09 - Step 4: Simplify right side
68,623,296.78x = 2,322,713,840,992,782.50 - Step 5: Solve for x
x = 2,322,713,840,992,782.50/68,623,296.78 - Step 6: Final answer
x = 33,847,307.69
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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.