Finding the Fourth Proportional to 53,695,341.08, 74,097,180.54 and 31,370,396.48
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Solution
The fourth proportional to 53,695,341.08, 74,097,180.54 and 31,370,396.48 is: 43,289,750.75
Step by Step Solution
- Step 1: Write the proportion equation
53,695,341.08 : 74,097,180.54 = 31,370,396.48 : x - Step 2: Convert to fraction form
53,695,341.08/74,097,180.54 = 31,370,396.48/x - Step 3: Cross multiply
53,695,341.08x = 74,097,180.54 × 31,370,396.48 - Step 4: Simplify right side
53,695,341.08x = 2,324,457,931,589,940.50 - Step 5: Solve for x
x = 2,324,457,931,589,940.50/53,695,341.08 - Step 6: Final answer
x = 43,289,750.75
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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.