Finding the Fourth Proportional to 232,697,068.16, 321,124,168.68 and 128,278,884.56
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Solution
The fourth proportional to 232,697,068.16, 321,124,168.68 and 128,278,884.56 is: 177,026,081.55
Step by Step Solution
- Step 1: Write the proportion equation
232,697,068.16 : 321,124,168.68 = 128,278,884.56 : x - Step 2: Convert to fraction form
232,697,068.16/321,124,168.68 = 128,278,884.56/x - Step 3: Cross multiply
232,697,068.16x = 321,124,168.68 × 128,278,884.56 - Step 4: Simplify right side
232,697,068.16x = 41,193,450,163,527,688 - Step 5: Solve for x
x = 41,193,450,163,527,688/232,697,068.16 - Step 6: Final answer
x = 177,026,081.55
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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.