Finding the Fourth Proportional to 82,950,365.80, 124,425,548.70 and 65,818,282.60
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Solution
The fourth proportional to 82,950,365.80, 124,425,548.70 and 65,818,282.60 is: 98,727,423.90
Step by Step Solution
- Step 1: Write the proportion equation
82,950,365.80 : 124,425,548.70 = 65,818,282.60 : x - Step 2: Convert to fraction form
82,950,365.80/124,425,548.70 = 65,818,282.60/x - Step 3: Cross multiply
82,950,365.80x = 124,425,548.70 × 65,818,282.60 - Step 4: Simplify right side
82,950,365.80x = 8,189,475,926,996,663 - Step 5: Solve for x
x = 8,189,475,926,996,663/82,950,365.80 - Step 6: Final answer
x = 98,727,423.90
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1.5x scale
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.