Finding the Fourth Proportional to 80,834,201.70, 121,251,302.55 and 39,913,244.70
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Solution
The fourth proportional to 80,834,201.70, 121,251,302.55 and 39,913,244.70 is: 59,869,867.05
Step by Step Solution
- Step 1: Write the proportion equation
80,834,201.70 : 121,251,302.55 = 39,913,244.70 : x - Step 2: Convert to fraction form
80,834,201.70/121,251,302.55 = 39,913,244.70/x - Step 3: Cross multiply
80,834,201.70x = 121,251,302.55 × 39,913,244.70 - Step 4: Simplify right side
80,834,201.70x = 4,839,532,908,871,884 - Step 5: Solve for x
x = 4,839,532,908,871,884/80,834,201.70 - Step 6: Final answer
x = 59,869,867.05
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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.