Finding the Fourth Proportional to 207,796,702.36, 286,759,785.18 and 114,981,122.20
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Solution
The fourth proportional to 207,796,702.36, 286,759,785.18 and 114,981,122.20 is: 158,674,134.51
Step by Step Solution
- Step 1: Write the proportion equation
207,796,702.36 : 286,759,785.18 = 114,981,122.20 : x - Step 2: Convert to fraction form
207,796,702.36/286,759,785.18 = 114,981,122.20/x - Step 3: Cross multiply
207,796,702.36x = 286,759,785.18 × 114,981,122.20 - Step 4: Simplify right side
207,796,702.36x = 32,971,961,901,827,332 - Step 5: Solve for x
x = 32,971,961,901,827,332/207,796,702.36 - Step 6: Final answer
x = 158,674,134.51
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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.