Finding the Fourth Proportional to 64,352,315.20, 96,528,472.80 and 53,014,907.20
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Solution
The fourth proportional to 64,352,315.20, 96,528,472.80 and 53,014,907.20 is: 79,522,360.80
Step by Step Solution
- Step 1: Write the proportion equation
64,352,315.20 : 96,528,472.80 = 53,014,907.20 : x - Step 2: Convert to fraction form
64,352,315.20/96,528,472.80 = 53,014,907.20/x - Step 3: Cross multiply
64,352,315.20x = 96,528,472.80 × 53,014,907.20 - Step 4: Simplify right side
64,352,315.20x = 5,117,448,027,649,724 - Step 5: Solve for x
x = 5,117,448,027,649,724/64,352,315.20 - Step 6: Final answer
x = 79,522,360.80
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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.