Finding the Fourth Proportional to 51,365,215.22, 70,883,979.95 and 28,159,843.96
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Solution
The fourth proportional to 51,365,215.22, 70,883,979.95 and 28,159,843.96 is: 38,860,575.31
Step by Step Solution
- Step 1: Write the proportion equation
51,365,215.22 : 70,883,979.95 = 28,159,843.96 : x - Step 2: Convert to fraction form
51,365,215.22/70,883,979.95 = 28,159,843.96/x - Step 3: Cross multiply
51,365,215.22x = 70,883,979.95 × 28,159,843.96 - Step 4: Simplify right side
51,365,215.22x = 1,996,081,814,160,549.25 - Step 5: Solve for x
x = 1,996,081,814,160,549.25/51,365,215.22 - Step 6: Final answer
x = 38,860,575.31
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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.