Finding the Fourth Proportional to 55,049,809.36, 75,970,925.82 and 30,272,027.62
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Solution
The fourth proportional to 55,049,809.36, 75,970,925.82 and 30,272,027.62 is: 41,776,601.80
Step by Step Solution
- Step 1: Write the proportion equation
55,049,809.36 : 75,970,925.82 = 30,272,027.62 : x - Step 2: Convert to fraction form
55,049,809.36/75,970,925.82 = 30,272,027.62/x - Step 3: Cross multiply
55,049,809.36x = 75,970,925.82 × 30,272,027.62 - Step 4: Simplify right side
55,049,809.36x = 2,299,793,964,740,011 - Step 5: Solve for x
x = 2,299,793,964,740,011/55,049,809.36 - Step 6: Final answer
x = 41,776,601.80
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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.