Finding the Fourth Proportional to 148,719,452.24, 205,228,752.36 and 82,638,243.92
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Solution
The fourth proportional to 148,719,452.24, 205,228,752.36 and 82,638,243.92 is: 114,038,502.98
Step by Step Solution
- Step 1: Write the proportion equation
148,719,452.24 : 205,228,752.36 = 82,638,243.92 : x - Step 2: Convert to fraction form
148,719,452.24/205,228,752.36 = 82,638,243.92/x - Step 3: Cross multiply
148,719,452.24x = 205,228,752.36 × 82,638,243.92 - Step 4: Simplify right side
148,719,452.24x = 16,959,743,696,922,958 - Step 5: Solve for x
x = 16,959,743,696,922,958/148,719,452.24 - Step 6: Final answer
x = 114,038,502.98
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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.