Finding the Fourth Proportional to 268,099,738.08, 369,982,538.40 and 149,033,509.44
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Solution
The fourth proportional to 268,099,738.08, 369,982,538.40 and 149,033,509.44 is: 205,668,966.80
Step by Step Solution
- Step 1: Write the proportion equation
268,099,738.08 : 369,982,538.40 = 149,033,509.44 : x - Step 2: Convert to fraction form
268,099,738.08/369,982,538.40 = 149,033,509.44/x - Step 3: Cross multiply
268,099,738.08x = 369,982,538.40 × 149,033,509.44 - Step 4: Simplify right side
268,099,738.08x = 55,139,796,129,271,560 - Step 5: Solve for x
x = 55,139,796,129,271,560/268,099,738.08 - Step 6: Final answer
x = 205,668,966.80
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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.