Finding the Fourth Proportional to 75,733,305.74, 104,507,457.79 and 43,941,012.42
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Solution
The fourth proportional to 75,733,305.74, 104,507,457.79 and 43,941,012.42 is: 60,635,983.81
Step by Step Solution
- Step 1: Write the proportion equation
75,733,305.74 : 104,507,457.79 = 43,941,012.42 : x - Step 2: Convert to fraction form
75,733,305.74/104,507,457.79 = 43,941,012.42/x - Step 3: Cross multiply
75,733,305.74x = 104,507,457.79 × 43,941,012.42 - Step 4: Simplify right side
75,733,305.74x = 4,592,163,500,513,311 - Step 5: Solve for x
x = 4,592,163,500,513,311/75,733,305.74 - Step 6: Final answer
x = 60,635,983.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.