Finding the Fourth Proportional to 68,155,442.62, 94,689,476.28 and 67,338,227.48
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Solution
The fourth proportional to 68,155,442.62, 94,689,476.28 and 67,338,227.48 is: 93,554,105.85
Step by Step Solution
- Step 1: Write the proportion equation
68,155,442.62 : 94,689,476.28 = 67,338,227.48 : x - Step 2: Convert to fraction form
68,155,442.62/94,689,476.28 = 67,338,227.48/x - Step 3: Cross multiply
68,155,442.62x = 94,689,476.28 × 67,338,227.48 - Step 4: Simplify right side
68,155,442.62x = 6,376,221,493,231,256 - Step 5: Solve for x
x = 6,376,221,493,231,256/68,155,442.62 - Step 6: Final answer
x = 93,554,105.85
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.