Finding the Fourth Proportional to 193,975,770.24, 291,001,985.28 and 71,155,228.05
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Solution
The fourth proportional to 193,975,770.24, 291,001,985.28 and 71,155,228.05 is: 106,746,902.46
Step by Step Solution
- Step 1: Write the proportion equation
193,975,770.24 : 291,001,985.28 = 71,155,228.05 : x - Step 2: Convert to fraction form
193,975,770.24/291,001,985.28 = 71,155,228.05/x - Step 3: Cross multiply
193,975,770.24x = 291,001,985.28 × 71,155,228.05 - Step 4: Simplify right side
193,975,770.24x = 20,706,312,625,601,140 - Step 5: Solve for x
x = 20,706,312,625,601,140/193,975,770.24 - Step 6: Final answer
x = 106,746,902.46
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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.