Finding the Fourth Proportional to 239,232,531, 330,141,025.62 and 129,224,245.08
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Solution
The fourth proportional to 239,232,531, 330,141,025.62 and 129,224,245.08 is: 178,329,529.97
Step by Step Solution
- Step 1: Write the proportion equation
239,232,531 : 330,141,025.62 = 129,224,245.08 : x - Step 2: Convert to fraction form
239,232,531/330,141,025.62 = 129,224,245.08/x - Step 3: Cross multiply
239,232,531x = 330,141,025.62 × 129,224,245.08 - Step 4: Simplify right side
239,232,531x = 42,662,224,805,681,440 - Step 5: Solve for x
x = 42,662,224,805,681,440/239,232,531 - Step 6: Final answer
x = 178,329,529.97
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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.