Finding the Fourth Proportional to 249,786,736.88, 344,709,778.97 and 136,754,343.42
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Solution
The fourth proportional to 249,786,736.88, 344,709,778.97 and 136,754,343.42 is: 188,723,228.79
Step by Step Solution
- Step 1: Write the proportion equation
249,786,736.88 : 344,709,778.97 = 136,754,343.42 : x - Step 2: Convert to fraction form
249,786,736.88/344,709,778.97 = 136,754,343.42/x - Step 3: Cross multiply
249,786,736.88x = 344,709,778.97 × 136,754,343.42 - Step 4: Simplify right side
249,786,736.88x = 47,140,559,492,811,896 - Step 5: Solve for x
x = 47,140,559,492,811,896/249,786,736.88 - Step 6: Final answer
x = 188,723,228.79
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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.