Finding the Fourth Proportional to 341,657,879.62, 512,574,211.95 and 99,320,783.62
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Solution
The fourth proportional to 341,657,879.62, 512,574,211.95 and 99,320,783.62 is: 149,006,580.65
Step by Step Solution
- Step 1: Write the proportion equation
341,657,879.62 : 512,574,211.95 = 99,320,783.62 : x - Step 2: Convert to fraction form
341,657,879.62/512,574,211.95 = 99,320,783.62/x - Step 3: Cross multiply
341,657,879.62x = 512,574,211.95 × 99,320,783.62 - Step 4: Simplify right side
341,657,879.62x = 50,909,272,394,277,968 - Step 5: Solve for x
x = 50,909,272,394,277,968/341,657,879.62 - Step 6: Final answer
x = 149,006,580.65
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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.