Finding the Fourth Proportional to 53,980,072.55, 74,415,021.92 and 38,483,252.99
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Solution
The fourth proportional to 53,980,072.55, 74,415,021.92 and 38,483,252.99 is: 53,051,653.69
Step by Step Solution
- Step 1: Write the proportion equation
53,980,072.55 : 74,415,021.92 = 38,483,252.99 : x - Step 2: Convert to fraction form
53,980,072.55/74,415,021.92 = 38,483,252.99/x - Step 3: Cross multiply
53,980,072.55x = 74,415,021.92 × 38,483,252.99 - Step 4: Simplify right side
53,980,072.55x = 2,863,732,114,879,062.50 - Step 5: Solve for x
x = 2,863,732,114,879,062.50/53,980,072.55 - Step 6: Final answer
x = 53,051,653.69
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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.