Finding the Fourth Proportional to 231,208,675.20, 318,759,305.94 and 183,681,622.26
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Solution
The fourth proportional to 231,208,675.20, 318,759,305.94 and 183,681,622.26 is: 253,235,421.96
Step by Step Solution
- Step 1: Write the proportion equation
231,208,675.20 : 318,759,305.94 = 183,681,622.26 : x - Step 2: Convert to fraction form
231,208,675.20/318,759,305.94 = 183,681,622.26/x - Step 3: Cross multiply
231,208,675.20x = 318,759,305.94 × 183,681,622.26 - Step 4: Simplify right side
231,208,675.20x = 58,550,226,425,530,848 - Step 5: Solve for x
x = 58,550,226,425,530,848/231,208,675.20 - Step 6: Final answer
x = 253,235,421.96
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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.