Finding the Fourth Proportional to 68,435,172.09, 102,654,070.34 and 22,377,214.53
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Solution
The fourth proportional to 68,435,172.09, 102,654,070.34 and 22,377,214.53 is: 33,566,250.86
Step by Step Solution
- Step 1: Write the proportion equation
68,435,172.09 : 102,654,070.34 = 22,377,214.53 : x - Step 2: Convert to fraction form
68,435,172.09/102,654,070.34 = 22,377,214.53/x - Step 3: Cross multiply
68,435,172.09x = 102,654,070.34 × 22,377,214.53 - Step 4: Simplify right side
68,435,172.09x = 2,297,112,154,264,004 - Step 5: Solve for x
x = 2,297,112,154,264,004/68,435,172.09 - Step 6: Final answer
x = 33,566,250.86
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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.