Finding the Fourth Proportional to 239,747,543.20, 330,851,596.98 and 129,739,256.20
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Solution
The fourth proportional to 239,747,543.20, 330,851,596.98 and 129,739,256.20 is: 179,040,166.72
Step by Step Solution
- Step 1: Write the proportion equation
239,747,543.20 : 330,851,596.98 = 129,739,256.20 : x - Step 2: Convert to fraction form
239,747,543.20/330,851,596.98 = 129,739,256.20/x - Step 3: Cross multiply
239,747,543.20x = 330,851,596.98 × 129,739,256.20 - Step 4: Simplify right side
239,747,543.20x = 42,924,440,104,767,368 - Step 5: Solve for x
x = 42,924,440,104,767,368/239,747,543.20 - Step 6: Final answer
x = 179,040,166.72
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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.