Finding the Fourth Proportional to 307,658,110.18, 424,568,139.29 and 166,529,302.63
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Solution
The fourth proportional to 307,658,110.18, 424,568,139.29 and 166,529,302.63 is: 229,810,409.07
Step by Step Solution
- Step 1: Write the proportion equation
307,658,110.18 : 424,568,139.29 = 166,529,302.63 : x - Step 2: Convert to fraction form
307,658,110.18/424,568,139.29 = 166,529,302.63/x - Step 3: Cross multiply
307,658,110.18x = 424,568,139.29 × 166,529,302.63 - Step 4: Simplify right side
307,658,110.18x = 70,703,036,154,880,408 - Step 5: Solve for x
x = 70,703,036,154,880,408/307,658,110.18 - Step 6: Final answer
x = 229,810,409.07
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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.