Finding the Fourth Proportional to 170,675,847.19, 235,533,289.14 and 92,359,392.23
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Solution
The fourth proportional to 170,675,847.19, 235,533,289.14 and 92,359,392.23 is: 127,456,296.79
Step by Step Solution
- Step 1: Write the proportion equation
170,675,847.19 : 235,533,289.14 = 92,359,392.23 : x - Step 2: Convert to fraction form
170,675,847.19/235,533,289.14 = 92,359,392.23/x - Step 3: Cross multiply
170,675,847.19x = 235,533,289.14 × 92,359,392.23 - Step 4: Simplify right side
170,675,847.19x = 21,753,711,434,903,260 - Step 5: Solve for x
x = 21,753,711,434,903,260/170,675,847.19 - Step 6: Final answer
x = 127,456,296.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.