Finding the Fourth Proportional to 71,246,148, 98,328,957.04 and 39,896,135.28
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Solution
The fourth proportional to 71,246,148, 98,328,957.04 and 39,896,135.28 is: 55,061,859.23
Step by Step Solution
- Step 1: Write the proportion equation
71,246,148 : 98,328,957.04 = 39,896,135.28 : x - Step 2: Convert to fraction form
71,246,148/98,328,957.04 = 39,896,135.28/x - Step 3: Cross multiply
71,246,148x = 98,328,957.04 × 39,896,135.28 - Step 4: Simplify right side
71,246,148x = 3,922,945,372,009,148.50 - Step 5: Solve for x
x = 3,922,945,372,009,148.50/71,246,148 - Step 6: Final answer
x = 55,061,859.23
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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.