Finding the Fourth Proportional to 239,210,326.34, 330,110,472.81 and 129,202,039.34
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Solution
The fourth proportional to 239,210,326.34, 330,110,472.81 and 129,202,039.34 is: 178,298,934.44
Step by Step Solution
- Step 1: Write the proportion equation
239,210,326.34 : 330,110,472.81 = 129,202,039.34 : x - Step 2: Convert to fraction form
239,210,326.34/330,110,472.81 = 129,202,039.34/x - Step 3: Cross multiply
239,210,326.34x = 330,110,472.81 × 129,202,039.34 - Step 4: Simplify right side
239,210,326.34x = 42,650,946,294,543,624 - Step 5: Solve for x
x = 42,650,946,294,543,624/239,210,326.34 - Step 6: Final answer
x = 178,298,934.44
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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.