Finding the Fourth Proportional to 232,436,813.97, 320,777,310.33 and 128,014,857.63
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Solution
The fourth proportional to 232,436,813.97, 320,777,310.33 and 128,014,857.63 is: 176,668,493.31
Step by Step Solution
- Step 1: Write the proportion equation
232,436,813.97 : 320,777,310.33 = 128,014,857.63 : x - Step 2: Convert to fraction form
232,436,813.97/320,777,310.33 = 128,014,857.63/x - Step 3: Cross multiply
232,436,813.97x = 320,777,310.33 × 128,014,857.63 - Step 4: Simplify right side
232,436,813.97x = 41,064,261,712,829,272 - Step 5: Solve for x
x = 41,064,261,712,829,272/232,436,813.97 - Step 6: Final answer
x = 176,668,493.31
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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.