Finding the Fourth Proportional to 287,265,168.54, 430,958,278.08 and 93,161,448.62
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Solution
The fourth proportional to 287,265,168.54, 430,958,278.08 and 93,161,448.62 is: 139,761,801.55
Step by Step Solution
- Step 1: Write the proportion equation
287,265,168.54 : 430,958,278.08 = 93,161,448.62 : x - Step 2: Convert to fraction form
287,265,168.54/430,958,278.08 = 93,161,448.62/x - Step 3: Cross multiply
287,265,168.54x = 430,958,278.08 × 93,161,448.62 - Step 4: Simplify right side
287,265,168.54x = 40,148,697,478,558,800 - Step 5: Solve for x
x = 40,148,697,478,558,800/287,265,168.54 - Step 6: Final answer
x = 139,761,801.55
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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.