Finding the Fourth Proportional to 363,631,610.79, 545,447,423.43 and 87,282,824.99
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Solution
The fourth proportional to 363,631,610.79, 545,447,423.43 and 87,282,824.99 is: 130,924,239.22
Step by Step Solution
- Step 1: Write the proportion equation
363,631,610.79 : 545,447,423.43 = 87,282,824.99 : x - Step 2: Convert to fraction form
363,631,610.79/545,447,423.43 = 87,282,824.99/x - Step 3: Cross multiply
363,631,610.79x = 545,447,423.43 × 87,282,824.99 - Step 4: Simplify right side
363,631,610.79x = 47,608,191,997,759,872 - Step 5: Solve for x
x = 47,608,191,997,759,872/363,631,610.79 - Step 6: Final answer
x = 130,924,239.22
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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.