Finding the Fourth Proportional to 205,660,633.28, 283,811,643.09 and 117,556,522.70
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Solution
The fourth proportional to 205,660,633.28, 283,811,643.09 and 117,556,522.70 is: 162,227,983.70
Step by Step Solution
- Step 1: Write the proportion equation
205,660,633.28 : 283,811,643.09 = 117,556,522.70 : x - Step 2: Convert to fraction form
205,660,633.28/283,811,643.09 = 117,556,522.70/x - Step 3: Cross multiply
205,660,633.28x = 283,811,643.09 × 117,556,522.70 - Step 4: Simplify right side
205,660,633.28x = 33,363,909,862,014,820 - Step 5: Solve for x
x = 33,363,909,862,014,820/205,660,633.28 - Step 6: Final answer
x = 162,227,983.70
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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.