Finding the Fourth Proportional to 199,631,062.20, 299,446,593.30 and 48,341,206.20
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Solution
The fourth proportional to 199,631,062.20, 299,446,593.30 and 48,341,206.20 is: 72,511,809.30
Step by Step Solution
- Step 1: Write the proportion equation
199,631,062.20 : 299,446,593.30 = 48,341,206.20 : x - Step 2: Convert to fraction form
199,631,062.20/299,446,593.30 = 48,341,206.20/x - Step 3: Cross multiply
199,631,062.20x = 299,446,593.30 × 48,341,206.20 - Step 4: Simplify right side
199,631,062.20x = 14,475,609,512,602,840 - Step 5: Solve for x
x = 14,475,609,512,602,840/199,631,062.20 - Step 6: Final answer
x = 72,511,809.30
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1.5x scale
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.