Finding the Fourth Proportional to 75,594,575.64, 104,100,892.74 and 65,666,926.02
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Solution
The fourth proportional to 75,594,575.64, 104,100,892.74 and 65,666,926.02 is: 90,429,578.63
Step by Step Solution
- Step 1: Write the proportion equation
75,594,575.64 : 104,100,892.74 = 65,666,926.02 : x - Step 2: Convert to fraction form
75,594,575.64/104,100,892.74 = 65,666,926.02/x - Step 3: Cross multiply
75,594,575.64x = 104,100,892.74 × 65,666,926.02 - Step 4: Simplify right side
75,594,575.64x = 6,835,985,622,173,535 - Step 5: Solve for x
x = 6,835,985,622,173,535/75,594,575.64 - Step 6: Final answer
x = 90,429,578.63
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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.