Finding the Fourth Proportional to 55,419,924.24, 76,479,303.96 and 30,973,638.24
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Solution
The fourth proportional to 55,419,924.24, 76,479,303.96 and 30,973,638.24 is: 42,743,513.75
Step by Step Solution
- Step 1: Write the proportion equation
55,419,924.24 : 76,479,303.96 = 30,973,638.24 : x - Step 2: Convert to fraction form
55,419,924.24/76,479,303.96 = 30,973,638.24/x - Step 3: Cross multiply
55,419,924.24x = 76,479,303.96 × 30,973,638.24 - Step 4: Simplify right side
55,419,924.24x = 2,368,842,293,704,039 - Step 5: Solve for x
x = 2,368,842,293,704,039/55,419,924.24 - Step 6: Final answer
x = 42,743,513.75
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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.