Finding the Fourth Proportional to 53,148,466.99, 73,344,883.83 and 28,702,180.99
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Solution
The fourth proportional to 53,148,466.99, 73,344,883.83 and 28,702,180.99 is: 39,609,009.43
Step by Step Solution
- Step 1: Write the proportion equation
53,148,466.99 : 73,344,883.83 = 28,702,180.99 : x - Step 2: Convert to fraction form
53,148,466.99/73,344,883.83 = 28,702,180.99/x - Step 3: Cross multiply
53,148,466.99x = 73,344,883.83 × 28,702,180.99 - Step 4: Simplify right side
53,148,466.99x = 2,105,158,130,399,102 - Step 5: Solve for x
x = 2,105,158,130,399,102/53,148,466.99 - Step 6: Final answer
x = 39,609,009.43
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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.