Finding the Fourth Proportional to 210,348,579.24, 316,958,651.67 and 172,850,102.28
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Solution
The fourth proportional to 210,348,579.24, 316,958,651.67 and 172,850,102.28 is: 260,454,981.72
Step by Step Solution
- Step 1: Write the proportion equation
210,348,579.24 : 316,958,651.67 = 172,850,102.28 : x - Step 2: Convert to fraction form
210,348,579.24/316,958,651.67 = 172,850,102.28/x - Step 3: Cross multiply
210,348,579.24x = 316,958,651.67 × 172,850,102.28 - Step 4: Simplify right side
210,348,579.24x = 54,786,335,360,336,856 - Step 5: Solve for x
x = 54,786,335,360,336,856/210,348,579.24 - Step 6: Final answer
x = 260,454,981.72
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.