Finding the Fourth Proportional to 259,348,476.12, 357,899,827.05 and 140,271,201.24
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Solution
The fourth proportional to 259,348,476.12, 357,899,827.05 and 140,271,201.24 is: 193,573,678.99
Step by Step Solution
- Step 1: Write the proportion equation
259,348,476.12 : 357,899,827.05 = 140,271,201.24 : x - Step 2: Convert to fraction form
259,348,476.12/357,899,827.05 = 140,271,201.24/x - Step 3: Cross multiply
259,348,476.12x = 357,899,827.05 × 140,271,201.24 - Step 4: Simplify right side
259,348,476.12x = 50,203,038,663,891,752 - Step 5: Solve for x
x = 50,203,038,663,891,752/259,348,476.12 - Step 6: Final answer
x = 193,573,678.99
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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.