Finding the Fourth Proportional to 232,578,775.62, 320,965,556.66 and 128,163,572.98
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Solution
The fourth proportional to 232,578,775.62, 320,965,556.66 and 128,163,572.98 is: 176,869,503.40
Step by Step Solution
- Step 1: Write the proportion equation
232,578,775.62 : 320,965,556.66 = 128,163,572.98 : x - Step 2: Convert to fraction form
232,578,775.62/320,965,556.66 = 128,163,572.98/x - Step 3: Cross multiply
232,578,775.62x = 320,965,556.66 × 128,163,572.98 - Step 4: Simplify right side
232,578,775.62x = 41,136,092,545,060,240 - Step 5: Solve for x
x = 41,136,092,545,060,240/232,578,775.62 - Step 6: Final answer
x = 176,869,503.40
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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.