Finding the Fourth Proportional to 54,321,135.18, 74,950,044.84 and 34,467,661.80
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Solution
The fourth proportional to 54,321,135.18, 74,950,044.84 and 34,467,661.80 is: 47,557,047.34
Step by Step Solution
- Step 1: Write the proportion equation
54,321,135.18 : 74,950,044.84 = 34,467,661.80 : x - Step 2: Convert to fraction form
54,321,135.18/74,950,044.84 = 34,467,661.80/x - Step 3: Cross multiply
54,321,135.18x = 74,950,044.84 × 34,467,661.80 - Step 4: Simplify right side
54,321,135.18x = 2,583,352,797,439,955 - Step 5: Solve for x
x = 2,583,352,797,439,955/54,321,135.18 - Step 6: Final answer
x = 47,557,047.34
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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.