Finding the Fourth Proportional to 99,922,475.58, 137,850,792.03 and 66,893,365.62
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Solution
The fourth proportional to 99,922,475.58, 137,850,792.03 and 66,893,365.62 is: 92,284,577.41
Step by Step Solution
- Step 1: Write the proportion equation
99,922,475.58 : 137,850,792.03 = 66,893,365.62 : x - Step 2: Convert to fraction form
99,922,475.58/137,850,792.03 = 66,893,365.62/x - Step 3: Cross multiply
99,922,475.58x = 137,850,792.03 × 66,893,365.62 - Step 4: Simplify right side
99,922,475.58x = 9,221,303,432,269,372 - Step 5: Solve for x
x = 9,221,303,432,269,372/99,922,475.58 - Step 6: Final answer
x = 92,284,577.41
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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.