Finding the Fourth Proportional to 312,208,593.69, 468,341,787.64 and 102,120,472.42
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Solution
The fourth proportional to 312,208,593.69, 468,341,787.64 and 102,120,472.42 is: 153,190,160.60
Step by Step Solution
- Step 1: Write the proportion equation
312,208,593.69 : 468,341,787.64 = 102,120,472.42 : x - Step 2: Convert to fraction form
312,208,593.69/468,341,787.64 = 102,120,472.42/x - Step 3: Cross multiply
312,208,593.69x = 468,341,787.64 × 102,120,472.42 - Step 4: Simplify right side
312,208,593.69x = 47,827,284,607,824,120 - Step 5: Solve for x
x = 47,827,284,607,824,120/312,208,593.69 - Step 6: Final answer
x = 153,190,160.60
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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.