Finding the Fourth Proportional to 220,411,207.58, 330,412,132.76 and 97,523,890.80
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Solution
The fourth proportional to 220,411,207.58, 330,412,132.76 and 97,523,890.80 is: 146,195,273.41
Step by Step Solution
- Step 1: Write the proportion equation
220,411,207.58 : 330,412,132.76 = 97,523,890.80 : x - Step 2: Convert to fraction form
220,411,207.58/330,412,132.76 = 97,523,890.80/x - Step 3: Cross multiply
220,411,207.58x = 330,412,132.76 × 97,523,890.80 - Step 4: Simplify right side
220,411,207.58x = 32,223,076,753,793,720 - Step 5: Solve for x
x = 32,223,076,753,793,720/220,411,207.58 - Step 6: Final answer
x = 146,195,273.41
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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.