Finding the Fourth Proportional to 80,873,220.80, 121,343,008.80 and 29,779,716.80
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Solution
The fourth proportional to 80,873,220.80, 121,343,008.80 and 29,779,716.80 is: 44,681,792.09
Step by Step Solution
- Step 1: Write the proportion equation
80,873,220.80 : 121,343,008.80 = 29,779,716.80 : x - Step 2: Convert to fraction form
80,873,220.80/121,343,008.80 = 29,779,716.80/x - Step 3: Cross multiply
80,873,220.80x = 121,343,008.80 × 29,779,716.80 - Step 4: Simplify right side
80,873,220.80x = 3,613,560,437,723,908 - Step 5: Solve for x
x = 3,613,560,437,723,908/80,873,220.80 - Step 6: Final answer
x = 44,681,792.09
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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.