Finding the Fourth Proportional to 53,617,640.63, 73,986,423.08 and 30,090,780.97
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Solution
The fourth proportional to 53,617,640.63, 73,986,423.08 and 30,090,780.97 is: 41,521,954.82
Step by Step Solution
- Step 1: Write the proportion equation
53,617,640.63 : 73,986,423.08 = 30,090,780.97 : x - Step 2: Convert to fraction form
53,617,640.63/73,986,423.08 = 30,090,780.97/x - Step 3: Cross multiply
53,617,640.63x = 73,986,423.08 × 30,090,780.97 - Step 4: Simplify right side
53,617,640.63x = 2,226,309,251,904,047 - Step 5: Solve for x
x = 2,226,309,251,904,047/53,617,640.63 - Step 6: Final answer
x = 41,521,954.82
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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.