Finding the Fourth Proportional to 207,922,912.35, 286,843,549.64 and 125,370,835.71
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Solution
The fourth proportional to 207,922,912.35, 286,843,549.64 and 125,370,835.71 is: 172,957,444.32
Step by Step Solution
- Step 1: Write the proportion equation
207,922,912.35 : 286,843,549.64 = 125,370,835.71 : x - Step 2: Convert to fraction form
207,922,912.35/286,843,549.64 = 125,370,835.71/x - Step 3: Cross multiply
207,922,912.35x = 286,843,549.64 × 125,370,835.71 - Step 4: Simplify right side
207,922,912.35x = 35,961,815,535,762,812 - Step 5: Solve for x
x = 35,961,815,535,762,812/207,922,912.35 - Step 6: Final answer
x = 172,957,444.32
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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.