Finding the Fourth Proportional to 84,468,549.75, 116,566,598.66 and 45,837,381.75
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Solution
The fourth proportional to 84,468,549.75, 116,566,598.66 and 45,837,381.75 is: 63,255,586.82
Step by Step Solution
- Step 1: Write the proportion equation
84,468,549.75 : 116,566,598.66 = 45,837,381.75 : x - Step 2: Convert to fraction form
84,468,549.75/116,566,598.66 = 45,837,381.75/x - Step 3: Cross multiply
84,468,549.75x = 116,566,598.66 × 45,837,381.75 - Step 4: Simplify right side
84,468,549.75x = 5,343,107,681,848,272 - Step 5: Solve for x
x = 5,343,107,681,848,272/84,468,549.75 - Step 6: Final answer
x = 63,255,586.82
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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.