Finding the Fourth Proportional to 118,630,106.72, 163,695,546.24 and 68,393,759.84
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Solution
The fourth proportional to 118,630,106.72, 163,695,546.24 and 68,393,759.84 is: 94,375,316.57
Step by Step Solution
- Step 1: Write the proportion equation
118,630,106.72 : 163,695,546.24 = 68,393,759.84 : x - Step 2: Convert to fraction form
118,630,106.72/163,695,546.24 = 68,393,759.84/x - Step 3: Cross multiply
118,630,106.72x = 163,695,546.24 × 68,393,759.84 - Step 4: Simplify right side
118,630,106.72x = 11,195,753,876,416,176 - Step 5: Solve for x
x = 11,195,753,876,416,176/118,630,106.72 - Step 6: Final answer
x = 94,375,316.57
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.