Finding the Fourth Proportional to 174,430,432.80, 261,645,649.20 and 174,430,432.80
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Solution
The fourth proportional to 174,430,432.80, 261,645,649.20 and 174,430,432.80 is: 261,645,649.20
Step by Step Solution
- Step 1: Write the proportion equation
174,430,432.80 : 261,645,649.20 = 174,430,432.80 : x - Step 2: Convert to fraction form
174,430,432.80/261,645,649.20 = 174,430,432.80/x - Step 3: Cross multiply
174,430,432.80x = 261,645,649.20 × 174,430,432.80 - Step 4: Simplify right side
174,430,432.80x = 45,638,963,830,192,976 - Step 5: Solve for x
x = 45,638,963,830,192,976/174,430,432.80 - Step 6: Final answer
x = 261,645,649.20
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1.5x scale
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.