Finding the Fourth Proportional to 54,405,764.91, 81,640,533.83 and 39,036,491.19
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Solution
The fourth proportional to 54,405,764.91, 81,640,533.83 and 39,036,491.19 is: 58,577,615.53
Step by Step Solution
- Step 1: Write the proportion equation
54,405,764.91 : 81,640,533.83 = 39,036,491.19 : x - Step 2: Convert to fraction form
54,405,764.91/81,640,533.83 = 39,036,491.19/x - Step 3: Cross multiply
54,405,764.91x = 81,640,533.83 × 39,036,491.19 - Step 4: Simplify right side
54,405,764.91x = 3,186,959,979,406,509.50 - Step 5: Solve for x
x = 3,186,959,979,406,509.50/54,405,764.91 - Step 6: Final answer
x = 58,577,615.53
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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.