Finding the Fourth Proportional to 73,215,557.19, 101,037,191.67 and 40,176,359.12
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Solution
The fourth proportional to 73,215,557.19, 101,037,191.67 and 40,176,359.12 is: 55,443,223.44
Step by Step Solution
- Step 1: Write the proportion equation
73,215,557.19 : 101,037,191.67 = 40,176,359.12 : x - Step 2: Convert to fraction form
73,215,557.19/101,037,191.67 = 40,176,359.12/x - Step 3: Cross multiply
73,215,557.19x = 101,037,191.67 × 40,176,359.12 - Step 4: Simplify right side
73,215,557.19x = 4,059,306,496,505,007 - Step 5: Solve for x
x = 4,059,306,496,505,007/73,215,557.19 - Step 6: Final answer
x = 55,443,223.44
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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.