Finding the Fourth Proportional to 64,273,709.88, 88,710,593.76 and 38,182,722.12
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Solution
The fourth proportional to 64,273,709.88, 88,710,593.76 and 38,182,722.12 is: 52,699,804.59
Step by Step Solution
- Step 1: Write the proportion equation
64,273,709.88 : 88,710,593.76 = 38,182,722.12 : x - Step 2: Convert to fraction form
64,273,709.88/88,710,593.76 = 38,182,722.12/x - Step 3: Cross multiply
64,273,709.88x = 88,710,593.76 × 38,182,722.12 - Step 4: Simplify right side
64,273,709.88x = 3,387,211,950,638,286 - Step 5: Solve for x
x = 3,387,211,950,638,286/64,273,709.88 - Step 6: Final answer
x = 52,699,804.59
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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.