Finding the Fourth Proportional to 202,374,509.49, 279,276,764.45 and 109,554,948.99
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Solution
The fourth proportional to 202,374,509.49, 279,276,764.45 and 109,554,948.99 is: 151,185,797.86
Step by Step Solution
- Step 1: Write the proportion equation
202,374,509.49 : 279,276,764.45 = 109,554,948.99 : x - Step 2: Convert to fraction form
202,374,509.49/279,276,764.45 = 109,554,948.99/x - Step 3: Cross multiply
202,374,509.49x = 279,276,764.45 × 109,554,948.99 - Step 4: Simplify right side
202,374,509.49x = 30,596,151,682,864,220 - Step 5: Solve for x
x = 30,596,151,682,864,220/202,374,509.49 - Step 6: Final answer
x = 151,185,797.86
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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.