Finding the Fourth Proportional to 207,594,071.44, 286,476,307.12 and 148,164,795.92
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Solution
The fourth proportional to 207,594,071.44, 286,476,307.12 and 148,164,795.92 is: 204,464,912.15
Step by Step Solution
- Step 1: Write the proportion equation
207,594,071.44 : 286,476,307.12 = 148,164,795.92 : x - Step 2: Convert to fraction form
207,594,071.44/286,476,307.12 = 148,164,795.92/x - Step 3: Cross multiply
207,594,071.44x = 286,476,307.12 × 148,164,795.92 - Step 4: Simplify right side
207,594,071.44x = 42,445,703,580,350,040 - Step 5: Solve for x
x = 42,445,703,580,350,040/207,594,071.44 - Step 6: Final answer
x = 204,464,912.15
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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.