Finding the Fourth Proportional to 193,975,770.99, 291,001,986.41 and 71,155,228.80
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Solution
The fourth proportional to 193,975,770.99, 291,001,986.41 and 71,155,228.80 is: 106,746,903.59
Step by Step Solution
- Step 1: Write the proportion equation
193,975,770.99 : 291,001,986.41 = 71,155,228.80 : x - Step 2: Convert to fraction form
193,975,770.99/291,001,986.41 = 71,155,228.80/x - Step 3: Cross multiply
193,975,770.99x = 291,001,986.41 × 71,155,228.80 - Step 4: Simplify right side
193,975,770.99x = 20,706,312,923,902,260 - Step 5: Solve for x
x = 20,706,312,923,902,260/193,975,770.99 - Step 6: Final answer
x = 106,746,903.59
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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.