Finding the Fourth Proportional to 53,148,318.12, 73,344,679.56 and 28,702,032.12
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Solution
The fourth proportional to 53,148,318.12, 73,344,679.56 and 28,702,032.12 is: 39,608,804.62
Step by Step Solution
- Step 1: Write the proportion equation
53,148,318.12 : 73,344,679.56 = 28,702,032.12 : x - Step 2: Convert to fraction form
53,148,318.12/73,344,679.56 = 28,702,032.12/x - Step 3: Cross multiply
53,148,318.12x = 73,344,679.56 × 28,702,032.12 - Step 4: Simplify right side
53,148,318.12x = 2,105,141,348,562,227.50 - Step 5: Solve for x
x = 2,105,141,348,562,227.50/53,148,318.12 - Step 6: Final answer
x = 39,608,804.62
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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.