Finding the Fourth Proportional to 153,996,832.20, 230,995,248.30 and 99,577,273.80
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Solution
The fourth proportional to 153,996,832.20, 230,995,248.30 and 99,577,273.80 is: 149,365,910.70
Step by Step Solution
- Step 1: Write the proportion equation
153,996,832.20 : 230,995,248.30 = 99,577,273.80 : x - Step 2: Convert to fraction form
153,996,832.20/230,995,248.30 = 99,577,273.80/x - Step 3: Cross multiply
153,996,832.20x = 230,995,248.30 × 99,577,273.80 - Step 4: Simplify right side
153,996,832.20x = 23,001,877,086,468,084 - Step 5: Solve for x
x = 23,001,877,086,468,084/153,996,832.20 - Step 6: Final answer
x = 149,365,910.70
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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.