Finding the Fourth Proportional to 202,374,800.68, 279,277,165.74 and 109,555,239.64
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Solution
The fourth proportional to 202,374,800.68, 279,277,165.74 and 109,555,239.64 is: 151,186,198.66
Step by Step Solution
- Step 1: Write the proportion equation
202,374,800.68 : 279,277,165.74 = 109,555,239.64 : x - Step 2: Convert to fraction form
202,374,800.68/279,277,165.74 = 109,555,239.64/x - Step 3: Cross multiply
202,374,800.68x = 279,277,165.74 × 109,555,239.64 - Step 4: Simplify right side
202,374,800.68x = 30,596,276,818,625,700 - Step 5: Solve for x
x = 30,596,276,818,625,700/202,374,800.68 - Step 6: Final answer
x = 151,186,198.66
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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.