Finding the Fourth Proportional to 157,522,182.98, 236,283,274.46 and 136,288,518.98
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Solution
The fourth proportional to 157,522,182.98, 236,283,274.46 and 136,288,518.98 is: 204,432,778.46
Step by Step Solution
- Step 1: Write the proportion equation
157,522,182.98 : 236,283,274.46 = 136,288,518.98 : x - Step 2: Convert to fraction form
157,522,182.98/236,283,274.46 = 136,288,518.98/x - Step 3: Cross multiply
157,522,182.98x = 236,283,274.46 × 136,288,518.98 - Step 4: Simplify right side
157,522,182.98x = 32,202,697,535,057,564 - Step 5: Solve for x
x = 32,202,697,535,057,564/157,522,182.98 - Step 6: Final answer
x = 204,432,778.46
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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.