Finding the Fourth Proportional to 169,467,688.20, 254,201,532.30 and 48,283,393.80
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Solution
The fourth proportional to 169,467,688.20, 254,201,532.30 and 48,283,393.80 is: 72,425,090.70
Step by Step Solution
- Step 1: Write the proportion equation
169,467,688.20 : 254,201,532.30 = 48,283,393.80 : x - Step 2: Convert to fraction form
169,467,688.20/254,201,532.30 = 48,283,393.80/x - Step 3: Cross multiply
169,467,688.20x = 254,201,532.30 × 48,283,393.80 - Step 4: Simplify right side
169,467,688.20x = 12,273,712,688,604,320 - Step 5: Solve for x
x = 12,273,712,688,604,320/169,467,688.20 - Step 6: Final answer
x = 72,425,090.70
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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.