Finding the Fourth Proportional to 207,379,077.12, 286,185,519.36 and 114,557,639.04
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Solution
The fourth proportional to 207,379,077.12, 286,185,519.36 and 114,557,639.04 is: 158,090,863.75
Step by Step Solution
- Step 1: Write the proportion equation
207,379,077.12 : 286,185,519.36 = 114,557,639.04 : x - Step 2: Convert to fraction form
207,379,077.12/286,185,519.36 = 114,557,639.04/x - Step 3: Cross multiply
207,379,077.12x = 286,185,519.36 × 114,557,639.04 - Step 4: Simplify right side
207,379,077.12x = 32,784,737,425,317,816 - Step 5: Solve for x
x = 32,784,737,425,317,816/207,379,077.12 - Step 6: Final answer
x = 158,090,863.75
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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.