Finding the Fourth Proportional to 60,912,897.80, 91,369,346.70 and 57,133,761.80
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Solution
The fourth proportional to 60,912,897.80, 91,369,346.70 and 57,133,761.80 is: 85,700,642.70
Step by Step Solution
- Step 1: Write the proportion equation
60,912,897.80 : 91,369,346.70 = 57,133,761.80 : x - Step 2: Convert to fraction form
60,912,897.80/91,369,346.70 = 57,133,761.80/x - Step 3: Cross multiply
60,912,897.80x = 91,369,346.70 × 57,133,761.80 - Step 4: Simplify right side
60,912,897.80x = 5,220,274,490,179,416 - Step 5: Solve for x
x = 5,220,274,490,179,416/60,912,897.80 - Step 6: Final answer
x = 85,700,642.70
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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.