Finding the Fourth Proportional to 71,133,010.92, 98,163,169.56 and 39,771,053.88
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Solution
The fourth proportional to 71,133,010.92, 98,163,169.56 and 39,771,053.88 is: 54,883,838.81
Step by Step Solution
- Step 1: Write the proportion equation
71,133,010.92 : 98,163,169.56 = 39,771,053.88 : x - Step 2: Convert to fraction form
71,133,010.92/98,163,169.56 = 39,771,053.88/x - Step 3: Cross multiply
71,133,010.92x = 98,163,169.56 × 39,771,053.88 - Step 4: Simplify right side
71,133,010.92x = 3,904,052,705,602,336.50 - Step 5: Solve for x
x = 3,904,052,705,602,336.50/71,133,010.92 - Step 6: Final answer
x = 54,883,838.81
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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.