Finding the Fourth Proportional to 64,273,655.88, 88,710,519.06 and 38,182,668.12
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Solution
The fourth proportional to 64,273,655.88, 88,710,519.06 and 38,182,668.12 is: 52,699,729.95
Step by Step Solution
- Step 1: Write the proportion equation
64,273,655.88 : 88,710,519.06 = 38,182,668.12 : x - Step 2: Convert to fraction form
64,273,655.88/88,710,519.06 = 38,182,668.12/x - Step 3: Cross multiply
64,273,655.88x = 88,710,519.06 × 38,182,668.12 - Step 4: Simplify right side
64,273,655.88x = 3,387,204,308,020,914 - Step 5: Solve for x
x = 3,387,204,308,020,914/64,273,655.88 - Step 6: Final answer
x = 52,699,729.95
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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.