Finding the Fourth Proportional to 202,748,163.84, 279,796,095.36 and 109,931,800.32
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Solution
The fourth proportional to 202,748,163.84, 279,796,095.36 and 109,931,800.32 is: 151,707,852.26
Step by Step Solution
- Step 1: Write the proportion equation
202,748,163.84 : 279,796,095.36 = 109,931,800.32 : x - Step 2: Convert to fraction form
202,748,163.84/279,796,095.36 = 109,931,800.32/x - Step 3: Cross multiply
202,748,163.84x = 279,796,095.36 × 109,931,800.32 - Step 4: Simplify right side
202,748,163.84x = 30,758,488,485,431,200 - Step 5: Solve for x
x = 30,758,488,485,431,200/202,748,163.84 - Step 6: Final answer
x = 151,707,852.26
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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.