Finding the Fourth Proportional to 232,875,712.68, 349,211,258.73 and 87,207,107.64
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Solution
The fourth proportional to 232,875,712.68, 349,211,258.73 and 87,207,107.64 is: 130,772,348.39
Step by Step Solution
- Step 1: Write the proportion equation
232,875,712.68 : 349,211,258.73 = 87,207,107.64 : x - Step 2: Convert to fraction form
232,875,712.68/349,211,258.73 = 87,207,107.64/x - Step 3: Cross multiply
232,875,712.68x = 349,211,258.73 × 87,207,107.64 - Step 4: Simplify right side
232,875,712.68x = 30,453,703,829,167,000 - Step 5: Solve for x
x = 30,453,703,829,167,000/232,875,712.68 - Step 6: Final answer
x = 130,772,348.39
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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.