Finding the Fourth Proportional to 81,442,798.99, 112,393,388.77 and 49,654,803.20
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Solution
The fourth proportional to 81,442,798.99, 112,393,388.77 and 49,654,803.20 is: 68,525,046.65
Step by Step Solution
- Step 1: Write the proportion equation
81,442,798.99 : 112,393,388.77 = 49,654,803.20 : x - Step 2: Convert to fraction form
81,442,798.99/112,393,388.77 = 49,654,803.20/x - Step 3: Cross multiply
81,442,798.99x = 112,393,388.77 × 49,654,803.20 - Step 4: Simplify right side
81,442,798.99x = 5,580,871,599,669,336 - Step 5: Solve for x
x = 5,580,871,599,669,336/81,442,798.99 - Step 6: Final answer
x = 68,525,046.65
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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.