Finding the Fourth Proportional to 232,577,246.70, 320,942,136.60 and 128,149,474.14
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Solution
The fourth proportional to 232,577,246.70, 320,942,136.60 and 128,149,474.14 is: 176,838,304.77
Step by Step Solution
- Step 1: Write the proportion equation
232,577,246.70 : 320,942,136.60 = 128,149,474.14 : x - Step 2: Convert to fraction form
232,577,246.70/320,942,136.60 = 128,149,474.14/x - Step 3: Cross multiply
232,577,246.70x = 320,942,136.60 × 128,149,474.14 - Step 4: Simplify right side
232,577,246.70x = 41,128,566,034,658,048 - Step 5: Solve for x
x = 41,128,566,034,658,048/232,577,246.70 - Step 6: Final answer
x = 176,838,304.77
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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.