Finding the Fourth Proportional to 136,121,468.70, 204,261,919.20 and 49,868,594.40
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Solution
The fourth proportional to 136,121,468.70, 204,261,919.20 and 49,868,594.40 is: 74,832,095.90
Step by Step Solution
- Step 1: Write the proportion equation
136,121,468.70 : 204,261,919.20 = 49,868,594.40 : x - Step 2: Convert to fraction form
136,121,468.70/204,261,919.20 = 49,868,594.40/x - Step 3: Cross multiply
136,121,468.70x = 204,261,919.20 × 49,868,594.40 - Step 4: Simplify right side
136,121,468.70x = 10,186,254,799,950,372 - Step 5: Solve for x
x = 10,186,254,799,950,372/136,121,468.70 - Step 6: Final answer
x = 74,832,095.90
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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.