Finding the Fourth Proportional to 53,397,821.70, 74,927,011.50 and 53,397,821.70
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Solution
The fourth proportional to 53,397,821.70, 74,927,011.50 and 53,397,821.70 is: 74,927,011.50
Step by Step Solution
- Step 1: Write the proportion equation
53,397,821.70 : 74,927,011.50 = 53,397,821.70 : x - Step 2: Convert to fraction form
53,397,821.70/74,927,011.50 = 53,397,821.70/x - Step 3: Cross multiply
53,397,821.70x = 74,927,011.50 × 53,397,821.70 - Step 4: Simplify right side
53,397,821.70x = 4,000,939,200,590,850 - Step 5: Solve for x
x = 4,000,939,200,590,850/53,397,821.70 - Step 6: Final answer
x = 74,927,011.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.