Finding the Fourth Proportional to 116,351,518.06, 160,566,177.96 and 64,142,422.05
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Solution
The fourth proportional to 116,351,518.06, 160,566,177.96 and 64,142,422.05 is: 88,517,139.49
Step by Step Solution
- Step 1: Write the proportion equation
116,351,518.06 : 160,566,177.96 = 64,142,422.05 : x - Step 2: Convert to fraction form
116,351,518.06/160,566,177.96 = 64,142,422.05/x - Step 3: Cross multiply
116,351,518.06x = 160,566,177.96 × 64,142,422.05 - Step 4: Simplify right side
116,351,518.06x = 10,299,103,553,665,728 - Step 5: Solve for x
x = 10,299,103,553,665,728/116,351,518.06 - Step 6: Final answer
x = 88,517,139.49
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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.