Finding the Fourth Proportional to 88,721,599.78, 122,261,400.57 and 67,837,295.26
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Solution
The fourth proportional to 88,721,599.78, 122,261,400.57 and 67,837,295.26 is: 93,482,114.28
Step by Step Solution
- Step 1: Write the proportion equation
88,721,599.78 : 122,261,400.57 = 67,837,295.26 : x - Step 2: Convert to fraction form
88,721,599.78/122,261,400.57 = 67,837,295.26/x - Step 3: Cross multiply
88,721,599.78x = 122,261,400.57 × 67,837,295.26 - Step 4: Simplify right side
88,721,599.78x = 8,293,882,729,368,222 - Step 5: Solve for x
x = 8,293,882,729,368,222/88,721,599.78 - Step 6: Final answer
x = 93,482,114.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.