Finding the Fourth Proportional to 83,669,211.60, 125,503,817.40 and 59,276,069.70
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Solution
The fourth proportional to 83,669,211.60, 125,503,817.40 and 59,276,069.70 is: 88,914,104.55
Step by Step Solution
- Step 1: Write the proportion equation
83,669,211.60 : 125,503,817.40 = 59,276,069.70 : x - Step 2: Convert to fraction form
83,669,211.60/125,503,817.40 = 59,276,069.70/x - Step 3: Cross multiply
83,669,211.60x = 125,503,817.40 × 59,276,069.70 - Step 4: Simplify right side
83,669,211.60x = 7,439,373,027,818,474 - Step 5: Solve for x
x = 7,439,373,027,818,474/83,669,211.60 - Step 6: Final answer
x = 88,914,104.55
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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.