Finding the Fourth Proportional to 235,752,138.43, 325,355,146.10 and 136,658,468.59
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Solution
The fourth proportional to 235,752,138.43, 325,355,146.10 and 136,658,468.59 is: 188,598,654.12
Step by Step Solution
- Step 1: Write the proportion equation
235,752,138.43 : 325,355,146.10 = 136,658,468.59 : x - Step 2: Convert to fraction form
235,752,138.43/325,355,146.10 = 136,658,468.59/x - Step 3: Cross multiply
235,752,138.43x = 325,355,146.10 × 136,658,468.59 - Step 4: Simplify right side
235,752,138.43x = 44,462,536,012,917,504 - Step 5: Solve for x
x = 44,462,536,012,917,504/235,752,138.43 - Step 6: Final answer
x = 188,598,654.12
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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.