Finding the Fourth Proportional to 232,436,806.98, 320,777,300.68 and 128,014,850.64
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Solution
The fourth proportional to 232,436,806.98, 320,777,300.68 and 128,014,850.64 is: 176,668,483.66
Step by Step Solution
- Step 1: Write the proportion equation
232,436,806.98 : 320,777,300.68 = 128,014,850.64 : x - Step 2: Convert to fraction form
232,436,806.98/320,777,300.68 = 128,014,850.64/x - Step 3: Cross multiply
232,436,806.98x = 320,777,300.68 × 128,014,850.64 - Step 4: Simplify right side
232,436,806.98x = 41,064,258,235,252,568 - Step 5: Solve for x
x = 41,064,258,235,252,568/232,436,806.98 - Step 6: Final answer
x = 176,668,483.66
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1.5x scale
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.