Finding the Fourth Proportional to 63,290,212.40, 94,683,376.20 and 54,864,138.80
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Solution
The fourth proportional to 63,290,212.40, 94,683,376.20 and 54,864,138.80 is: 82,077,807.88
Step by Step Solution
- Step 1: Write the proportion equation
63,290,212.40 : 94,683,376.20 = 54,864,138.80 : x - Step 2: Convert to fraction form
63,290,212.40/94,683,376.20 = 54,864,138.80/x - Step 3: Cross multiply
63,290,212.40x = 94,683,376.20 × 54,864,138.80 - Step 4: Simplify right side
63,290,212.40x = 5,194,721,893,889,416 - Step 5: Solve for x
x = 5,194,721,893,889,416/63,290,212.40 - Step 6: Final answer
x = 82,077,807.88
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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.