Finding the Fourth Proportional to 117,008,421.70, 175,512,632.55 and 59,612,793.70
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Solution
The fourth proportional to 117,008,421.70, 175,512,632.55 and 59,612,793.70 is: 89,419,190.55
Step by Step Solution
- Step 1: Write the proportion equation
117,008,421.70 : 175,512,632.55 = 59,612,793.70 : x - Step 2: Convert to fraction form
117,008,421.70/175,512,632.55 = 59,612,793.70/x - Step 3: Cross multiply
117,008,421.70x = 175,512,632.55 × 59,612,793.70 - Step 4: Simplify right side
117,008,421.70x = 10,462,798,355,947,056 - Step 5: Solve for x
x = 10,462,798,355,947,056/117,008,421.70 - Step 6: Final answer
x = 89,419,190.55
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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.