Finding the Fourth Proportional to 265,716,138.80, 398,637,193.80 and 136,343,716.40
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Solution
The fourth proportional to 265,716,138.80, 398,637,193.80 and 136,343,716.40 is: 204,547,893.64
Step by Step Solution
- Step 1: Write the proportion equation
265,716,138.80 : 398,637,193.80 = 136,343,716.40 : x - Step 2: Convert to fraction form
265,716,138.80/398,637,193.80 = 136,343,716.40/x - Step 3: Cross multiply
265,716,138.80x = 398,637,193.80 × 136,343,716.40 - Step 4: Simplify right side
265,716,138.80x = 54,351,676,497,959,040 - Step 5: Solve for x
x = 54,351,676,497,959,040/265,716,138.80 - Step 6: Final answer
x = 204,547,893.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.