Finding the Fourth Proportional to 239,232,544.50, 330,141,044.25 and 129,224,258.58
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Solution
The fourth proportional to 239,232,544.50, 330,141,044.25 and 129,224,258.58 is: 178,329,548.60
Step by Step Solution
- Step 1: Write the proportion equation
239,232,544.50 : 330,141,044.25 = 129,224,258.58 : x - Step 2: Convert to fraction form
239,232,544.50/330,141,044.25 = 129,224,258.58/x - Step 3: Cross multiply
239,232,544.50x = 330,141,044.25 × 129,224,258.58 - Step 4: Simplify right side
239,232,544.50x = 42,662,231,670,033,224 - Step 5: Solve for x
x = 42,662,231,670,033,224/239,232,544.50 - Step 6: Final answer
x = 178,329,548.60
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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.