Finding the Fourth Proportional to 49,170,830.40, 73,812,232.80 and 28,987,444.80
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Solution
The fourth proportional to 49,170,830.40, 73,812,232.80 and 28,987,444.80 is: 43,514,173.07
Step by Step Solution
- Step 1: Write the proportion equation
49,170,830.40 : 73,812,232.80 = 28,987,444.80 : x - Step 2: Convert to fraction form
49,170,830.40/73,812,232.80 = 28,987,444.80/x - Step 3: Cross multiply
49,170,830.40x = 73,812,232.80 × 28,987,444.80 - Step 4: Simplify right side
49,170,830.40x = 2,139,628,023,854,749.50 - Step 5: Solve for x
x = 2,139,628,023,854,749.50/49,170,830.40 - Step 6: Final answer
x = 43,514,173.07
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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.