Finding the Fourth Proportional to 205,660,623.67, 283,811,629.96 and 117,556,513.18
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Solution
The fourth proportional to 205,660,623.67, 283,811,629.96 and 117,556,513.18 is: 162,227,970.64
Step by Step Solution
- Step 1: Write the proportion equation
205,660,623.67 : 283,811,629.96 = 117,556,513.18 : x - Step 2: Convert to fraction form
205,660,623.67/283,811,629.96 = 117,556,513.18/x - Step 3: Cross multiply
205,660,623.67x = 283,811,629.96 × 117,556,513.18 - Step 4: Simplify right side
205,660,623.67x = 33,363,905,617,467,440 - Step 5: Solve for x
x = 33,363,905,617,467,440/205,660,623.67 - Step 6: Final answer
x = 162,227,970.64
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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.