Finding the Fourth Proportional to 295,289,636.80, 442,831,882.16 and 164,331,759.68
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Solution
The fourth proportional to 295,289,636.80, 442,831,882.16 and 164,331,759.68 is: 246,440,556.56
Step by Step Solution
- Step 1: Write the proportion equation
295,289,636.80 : 442,831,882.16 = 164,331,759.68 : x - Step 2: Convert to fraction form
295,289,636.80/442,831,882.16 = 164,331,759.68/x - Step 3: Cross multiply
295,289,636.80x = 442,831,882.16 × 164,331,759.68 - Step 4: Simplify right side
295,289,636.80x = 72,771,342,436,937,536 - Step 5: Solve for x
x = 72,771,342,436,937,536/295,289,636.80 - Step 6: Final answer
x = 246,440,556.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.