Finding the Fourth Proportional to 239,476,583.04, 330,477,713.28 and 129,468,266.88
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Solution
The fourth proportional to 239,476,583.04, 330,477,713.28 and 129,468,266.88 is: 178,666,223.80
Step by Step Solution
- Step 1: Write the proportion equation
239,476,583.04 : 330,477,713.28 = 129,468,266.88 : x - Step 2: Convert to fraction form
239,476,583.04/330,477,713.28 = 129,468,266.88/x - Step 3: Cross multiply
239,476,583.04x = 330,477,713.28 × 129,468,266.88 - Step 4: Simplify right side
239,476,583.04x = 42,786,376,780,827,152 - Step 5: Solve for x
x = 42,786,376,780,827,152/239,476,583.04 - Step 6: Final answer
x = 178,666,223.80
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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.