Finding the Fourth Proportional to 232,652,700.77, 348,987,906.09 and 87,070,934.21
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Solution
The fourth proportional to 232,652,700.77, 348,987,906.09 and 87,070,934.21 is: 130,609,715.29
Step by Step Solution
- Step 1: Write the proportion equation
232,652,700.77 : 348,987,906.09 = 87,070,934.21 : x - Step 2: Convert to fraction form
232,652,700.77/348,987,906.09 = 87,070,934.21/x - Step 3: Cross multiply
232,652,700.77x = 348,987,906.09 × 87,070,934.21 - Step 4: Simplify right side
232,652,700.77x = 30,386,703,009,503,104 - Step 5: Solve for x
x = 30,386,703,009,503,104/232,652,700.77 - Step 6: Final answer
x = 130,609,715.29
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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.