Finding the Fourth Proportional to 177,430,274.40, 265,747,280.40 and 145,579,778.40
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Solution
The fourth proportional to 177,430,274.40, 265,747,280.40 and 145,579,778.40 is: 218,043,004.90
Step by Step Solution
- Step 1: Write the proportion equation
177,430,274.40 : 265,747,280.40 = 145,579,778.40 : x - Step 2: Convert to fraction form
177,430,274.40/265,747,280.40 = 145,579,778.40/x - Step 3: Cross multiply
177,430,274.40x = 265,747,280.40 × 145,579,778.40 - Step 4: Simplify right side
177,430,274.40x = 38,687,430,191,034,664 - Step 5: Solve for x
x = 38,687,430,191,034,664/177,430,274.40 - Step 6: Final answer
x = 218,043,004.90
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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.