Finding the Fourth Proportional to 292,739,232.88, 439,242,943.50 and 126,793,493.80
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Solution
The fourth proportional to 292,739,232.88, 439,242,943.50 and 126,793,493.80 is: 190,248,320.61
Step by Step Solution
- Step 1: Write the proportion equation
292,739,232.88 : 439,242,943.50 = 126,793,493.80 : x - Step 2: Convert to fraction form
292,739,232.88/439,242,943.50 = 126,793,493.80/x - Step 3: Cross multiply
292,739,232.88x = 439,242,943.50 × 126,793,493.80 - Step 4: Simplify right side
292,739,232.88x = 55,693,147,433,361,000 - Step 5: Solve for x
x = 55,693,147,433,361,000/292,739,232.88 - Step 6: Final answer
x = 190,248,320.61
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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.