Finding the Fourth Proportional to 118,530,660,728.80, 177,830,917,599.75 and 47,748,948,104.80
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Solution
The fourth proportional to 118,530,660,728.80, 177,830,917,599.75 and 47,748,948,104.80 is: 71,637,491,967.82
Step by Step Solution
- Step 1: Write the proportion equation
118,530,660,728.80 : 177,830,917,599.75 = 47,748,948,104.80 : x - Step 2: Convert to fraction form
118,530,660,728.80/177,830,917,599.75 = 47,748,948,104.80/x - Step 3: Cross multiply
118,530,660,728.80x = 177,830,917,599.75 × 47,748,948,104.80 - Step 4: Simplify right side
118,530,660,728.80x = 8,491,239,255,899,428,093,952 - Step 5: Solve for x
x = 8,491,239,255,899,428,093,952/118,530,660,728.80 - Step 6: Final answer
x = 71,637,491,967.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.