Finding the Fourth Proportional to 80,885,408.80, 121,076,170.80 and 58,210,592.80
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Solution
The fourth proportional to 80,885,408.80, 121,076,170.80 and 58,210,592.80 is: 87,134,574.47
Step by Step Solution
- Step 1: Write the proportion equation
80,885,408.80 : 121,076,170.80 = 58,210,592.80 : x - Step 2: Convert to fraction form
80,885,408.80/121,076,170.80 = 58,210,592.80/x - Step 3: Cross multiply
80,885,408.80x = 121,076,170.80 × 58,210,592.80 - Step 4: Simplify right side
80,885,408.80x = 7,047,915,676,222,050 - Step 5: Solve for x
x = 7,047,915,676,222,050/80,885,408.80 - Step 6: Final answer
x = 87,134,574.47
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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.