Finding the Fourth Proportional to 50,281,985.67, 75,392,110.49 and 19,540,670.19
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Solution
The fourth proportional to 50,281,985.67, 75,392,110.49 and 19,540,670.19 is: 29,299,009.31
Step by Step Solution
- Step 1: Write the proportion equation
50,281,985.67 : 75,392,110.49 = 19,540,670.19 : x - Step 2: Convert to fraction form
50,281,985.67/75,392,110.49 = 19,540,670.19/x - Step 3: Cross multiply
50,281,985.67x = 75,392,110.49 × 19,540,670.19 - Step 4: Simplify right side
50,281,985.67x = 1,473,212,366,271,424 - Step 5: Solve for x
x = 1,473,212,366,271,424/50,281,985.67 - Step 6: Final answer
x = 29,299,009.31
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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.