Finding the Fourth Proportional to 80,874,564.20, 121,312,364.70 and 32,356,471.40
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Solution
The fourth proportional to 80,874,564.20, 121,312,364.70 and 32,356,471.40 is: 48,534,914.50
Step by Step Solution
- Step 1: Write the proportion equation
80,874,564.20 : 121,312,364.70 = 32,356,471.40 : x - Step 2: Convert to fraction form
80,874,564.20/121,312,364.70 = 32,356,471.40/x - Step 3: Cross multiply
80,874,564.20x = 121,312,364.70 × 32,356,471.40 - Step 4: Simplify right side
80,874,564.20x = 3,925,240,058,881,919.50 - Step 5: Solve for x
x = 3,925,240,058,881,919.50/80,874,564.20 - Step 6: Final answer
x = 48,534,914.50
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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.