Finding the Fourth Proportional to 232,021,857.68, 320,183,768.40 and 127,599,926.48
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Solution
The fourth proportional to 232,021,857.68, 320,183,768.40 and 127,599,926.48 is: 176,084,381.52
Step by Step Solution
- Step 1: Write the proportion equation
232,021,857.68 : 320,183,768.40 = 127,599,926.48 : x - Step 2: Convert to fraction form
232,021,857.68/320,183,768.40 = 127,599,926.48/x - Step 3: Cross multiply
232,021,857.68x = 320,183,768.40 × 127,599,926.48 - Step 4: Simplify right side
232,021,857.68x = 40,855,425,307,929,344 - Step 5: Solve for x
x = 40,855,425,307,929,344/232,021,857.68 - Step 6: Final answer
x = 176,084,381.52
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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.