Finding the Fourth Proportional to 112,923,058.98, 169,392,684.57 and 47,278,138.05
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Solution
The fourth proportional to 112,923,058.98, 169,392,684.57 and 47,278,138.05 is: 70,920,596.72
Step by Step Solution
- Step 1: Write the proportion equation
112,923,058.98 : 169,392,684.57 = 47,278,138.05 : x - Step 2: Convert to fraction form
112,923,058.98/169,392,684.57 = 47,278,138.05/x - Step 3: Cross multiply
112,923,058.98x = 169,392,684.57 × 47,278,138.05 - Step 4: Simplify right side
112,923,058.98x = 8,008,570,725,760,564 - Step 5: Solve for x
x = 8,008,570,725,760,564/112,923,058.98 - Step 6: Final answer
x = 70,920,596.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.