Finding the Fourth Proportional to 49,931,342.17, 68,907,380.21 and 27,904,840.94
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Solution
The fourth proportional to 49,931,342.17, 68,907,380.21 and 27,904,840.94 is: 38,509,869.77
Step by Step Solution
- Step 1: Write the proportion equation
49,931,342.17 : 68,907,380.21 = 27,904,840.94 : x - Step 2: Convert to fraction form
49,931,342.17/68,907,380.21 = 27,904,840.94/x - Step 3: Cross multiply
49,931,342.17x = 68,907,380.21 × 27,904,840.94 - Step 4: Simplify right side
49,931,342.17x = 1,922,849,484,352,153.75 - Step 5: Solve for x
x = 1,922,849,484,352,153.75/49,931,342.17 - Step 6: Final answer
x = 38,509,869.77
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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.